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Overview of Google Plus

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Google plus is the latest online social networking site by Google Inc., which combines tagging with a photo application, contacts, a personal profile, and other features expected from a social networking site. It looks similar to Facebook and Twitter but have many new features added that Facebook and Twitter does not have. Google plus is currently invite-only, and each user has a limit of about 10 invites, similar to the launch of gmail. Google Plus seems aimed at people who are more interested in sharing things with people or groups with similar interests rather than simply broadcasting to a large number of online friends.

 

Social Circles

One of the great features of Google+ is the social circles that you can create in order to categorize your friends. Although Facebook use the idea of “lists” and was good for privacy if you knew how to work it, they didn’t really serve much purpose otherwise. In Google Plus, it forms a core part of the service because the idea is more about separating the various functions of your relationships with people: business associates, friends, family, etc. It’s just a lot clearer in purpose compared to Facebook’s solution. The graphical user experience is interesting when using this feature of the service.

 

Photo Sharing

An interesting part of the photo application which makes it different from Facebook, is that the comments are on the right hand side of the screen, rather than below the photo itself. This creates more space for comments without the user having to scroll down the page. Photos also seem to appear larger on the Google Plus application than on Facebook’s. Just like Facebook, Google Plus can detect where there is a face on the uploaded photo, and allows the user to choose a friend to tag. As soon as you type into the input box, a list of your friends drops down as suggestions. Once your albums have been created, they can be viewed in the photos section, where all of your friends’ albums will appear.

 

Stream

Stream feature is almost exactly the same as the Facebook news feed. It’s not a lack of creativity on Google’s part, I think it just makes the most sense to do things like this. It’s a pity though that Facebook had to learn the lesson and invent it, while Google Plus just gets to add it to their array of core functions. What is really different about the Stream feature though is that you can filter it according to your social circles. I love this because I can select “family” to see what my folks are up to, “friends” to see what my friends are up to, and “work colleagues” to spy on my workmates.

 

Hangouts and Huddle

This is most likely the elaborate and unique feature that the Google Plus team has integrated into their social network. This is basically an extension of the Google Chat gadget, which allows users to call each other from the site and do video conferencing. The ability to group video chat via webcam, called a “Hangout,” and the ability to chat with a group, called a “Huddle,” have proven to have so much appeal that Facebook quickly followed suit. The company said Wednesday that it will also roll out group chatting and video chatting by teaming with Internet phone company Skype. It will be interesting to see if Facebook ends up adding other Google Plus features.

 

Sparks

Google Plus has Sparks, which allows you to search for content and add it to your interests. The good thing about this is that it acts as a kind of news feed for your interests. So if you pick “embedded systems” as your interest, then you can see updates to that topic in your Sparks page. There is also a share link beneath each item within the interest, to enable users to share this interesting content quickly with their friends.

 

Notifications

Another good thing about Google Plus is the notifications. This is similar to Facebook’s alert and popup system but the notifications drop down is much wider on Google Plus, allowing for more information. You can actually reply  comments and posts from the notifications panel. This is really good when you’re on a page that you don’t want to leave, but you also want to reply to a comment. You don’t have to jump from page to page responding to things, you can just do it from your notifications box.

 

Privacy

Deciding whom you share different posts with seems to be top of mind on Google Plus. With Google Plus, no one gets added automatically. Once you sign up, you add people similar to how you follow people on Twitter. Then you choose a circle to put them in.Four circles are standard: “friends,” “family,” “acquaintances” and “following.” You can follow anyone without being accepted, whereas Facebook requires the consent of both sides. You can create new circles, too, such as “co-workers”. Any post or link goes only to the circle or circles you designate, and you can drill down to sharing with just one or two people, or no one. You can also make a link public to share it with everyone including people who have added you to their circles but whom you haven’t added to yours. Google Plus also lets you edit posts after you post them and decide for each post whether to allow comments.

 

Other facts: Google Plus has a “+1” button rather than a “Like” button, but the feature is similar. The only difference is, once you sign up for Google Plus, you see this “+1” button next to every single Google search item.

Sensors – Integrations with Embedded Systems and Applications (part 2)

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In part I of article, sensor unit was addressed with microcontroller as well as its brief applications.

 

Nonetheless, part II addresses vague technical analysis on possible low- cost peripherals interface with embedded system. Ideally, low –cost interfaces used to connect peripheral chips to microcontrollers residing in a unit of embedded systems.

 

However, sensors part II shall provide an insightful overview on gradual and brief achieve-able research works regarding sensor networks. Though, sensor networks still pose big challenges – communication protocols, routing as well as energy.  Besides, energy efficiency is a known issue which is indubitably remains a herculean task to telecommunication equipment and electronic products manufactures.

 

Meanwhile, this article surely not addresses areas of immaturity in wireless sensor networks which characterised as high- level concepts. Areas are databases, middleware and applications but tremendous and laudable development have been made on this, though still not fully matured.

 

 Peripheral Interfacing

 

The interfaces allow possible connection of distinct devices such as sensor interfaces, real – Time clocks. Due to affordability in terms of low –cost, interfaces are ideal for small embedded applications. The two available cheap interfaces:

 

1)      Serial Peripheral Interface acronyms as SPI

2)      Inter-integrated Circuit acronyms as I2C

 

 

1 Serial Peripheral Interface (SPI)

 

SPI is a protocol designed which employs synchronous (clock) transmissionsMode of operation works in master and slave relationship. Where by all transmissions with clock is usually produced by processor –microcontroller, master in this case. The receiving device, peripheral, a slave this time around employed clock for its synchronisation to accept the serial bit stream.

 

1        SPI can be used to interface to memory

2        Serial Peripheral Interface used in analogue digital converter and digital analogue converter

3        Use to interface sensor

4        Use to interface real –time clock calendars

 

 

 

2   Inter – Integrated Circuit (I2C)

 

Inter – Integrated circuit I2C is a network scheme employed to inter-connect peripheral devices in small scale embedded systems. IIC is a cheap network bus for effective communication with an embedded systems and peripheral.

Inter – integrated circuit is an alternative connection to SPI used in interfacing embedded systems with peripheral. IIC Operational mode quite distinct to SPI, I2C uses two wires connecting with numerous devices in a multi – drop bus. Conventionally, bus communicate in duplex, with considerable amount of low –speed and synchronous to a common clock.

 

 

Wireless Sensor Networks

 

In a traditional computer network communication, several computers networked together for sharing, distribution and storage of data. However, it is imperative to achieve better communication not only between computer and other devices but to also integrating computation and control in our physical environment. Communication is very crucial concept of interaction be it person –to – machine or machine – to –machine. And this communication concept takes the form of wired or wireless.

Wired communication is common for use among large numbers of devices that is imaginable in our environment. A MANET – Mobile Ad hoc Network is associated with wireless communication and specifically wireless multi-hop communication in case of computers connected in small networks.

 

Nonetheless, sensors can be integrated with processing unit, memory, communication device (low power radio) to what is commonly known as Sensor Node.  Several thousand of sensor nodes joining them together designed or built performing different applications wirelessly forming networks sensor. The type of wireless networks just appeared few years ago to handle sensor nodes deployment & physical interaction by sensing or controlling parameters.

 

More importantly, few years back the field of wireless sensor networks were at infancy stage; this indeed has opened to a plethora of research activities in the world leading universities and research institutions, among them, the fore- front university in innovations of wireless communication and its concept university of California, Berkeley USA, and as well as other top universities around the world where empirical analysis on wireless sensor networks have successfully been developed.

 

      Architecture of Sensor Node

 

The hardware assemble into a single- chip CMOS device that integrates the processing, storage, and communication sub-unit makes complete system node. The single sensor node is a very small size device measures 2.5mm by 2.5mm.

a)      Microcontroller

b)      Sensor board

c)      ADC

d)      General purpose I/O ports

e)      Memory – EEPROM

f)       Power Supply by battery

g)      Platform of sensor node range from different manufacturers such as Mica, Micaz, Rene, weC and many more.

 

Programming of sensor node is mostly achieved through what is called Network Embedded System C programming language otherwise known as nesC. nesC is a component based syntax OS specifically designed for sensor node, called TinyOS. However, subsequent article will address architecture of sensor node and its TinyOS.

 

Wireless Sensor Networks (WSN) Application Areas

 

Most research works in sensor networks today have partially be mined and matured to deploy few applications areas, such areas are:

a)       Facilities management – such as intruders into a large building,  real –time tracking – vehicles that pass a street outside of normal office hours.

b)      Medicine & health care – for intensive care where sensors attached to patients (elderly) and for automatic drug administration (embedding sensors into drug packaging, trigger an alarms whenever drugs applied to wrong patients.

c)      Monitoring of environmental condition for low frequency data trends – example a chemical factory could be easily be monitored for possible leakages by scores of sensors automatically networked wirelessly and write any detection of chemical leaks.

d)      Smart grid technology – sensor nodes could also be applied within an electric power distribution network – sensor and SCADA.

 

 

         Benefits of Wireless Sensor Networks

 

  1. Wireless sensor networks use low cost embedded devices for different types of applications
  2. Wireless sensor networks deployment independent on existing communication infrastructures – GSM, PSTN, Copper or Fiber.
  3. No need of high power and expensive control mast or base stations.

 

Olawale Shakir Bakare

MSc Embedded Computer Systems Engineering UK, Sigbed Member US.

‘Wale Bakare also writes for EBN the premier online community for global supply chain professionals, EBN part of United Business Media Inc, USA.  Mr. Bakare also moderates for blogs with Internet Evolution Group – group that shares ideas and thoughts on internet technology and its developments. Internet Evolution is also a US based organisation, part of UBM Inc USA. And he belongs to member of Google group for Software Testing (QC) & Software Quality Assurance Group – software/embedded products testing technicians.

 

 Co – Founder PAWAAK Technologies Ltd

Website: www.pawaak.com

Phones: +447901236822

Email addresses:  | olawalebakare@pawaak.com  | wales.baky@gmail.com  |

pawaak@gmail.com |     

Twitter: @Bwale1

Skype VOIP: walex.george

 

 

[Reminder] $100,000 for 1st Prize – The Legatum Africa Awards for Entrepreneurship

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From the Longitude Prize in the 18th century to Alfred Nobel’s laureate awards at the start of the 20th century, the power of prize programmes to catalyse innovation and inspiration is undeniable. Such prizes serve a purpose beyond recognition and reward alone – also raising awareness, creating role models and igniting ambition.

 

From our experience with previous prize programmes within Africa and globally, we have met remarkable entrepreneurs who never lost belief in themselves, even when confronted by overwhelming challenges but persevered to bring their ideas to fruition. As such entrepreneurs work to create businesses that meet the needs of those around them and by doing so raise the living standards of their communities while also creating something of lasting value for themselves, their employees, their communities and their nations. The Africa Awards for Entrepreneurship is honoured to provide a platform upon which they may continue to inspire a new generation of African entrepreneurs.

 

The objectives of the Africa Awards for Entrepreneurship are:

  • To promote the value of entrepreneurship as a driving force of today’s Africa
  • To celebrate the standards of business excellence within Africa
  • To encourage small business owners and aspiring entrepreneurs to embrace the challenges and rewards of entrepreneurship
  • To build strong networks of African entrepreneurs as a source of learning and sharing of best practice
  • To attract more venture capital inflows towards good businesses across Africa

Timings

Applications to the 2011 Africa Awards will remain open until August 24th. The Gala Awards Banquet and CONVERGENCE: AFRICA conference on entrepreneeurship will take place on December 8th, 2011 in Nairobi, Kenya

Sauder School of Business Teaching Social Entrepreneurship And Business Skills In Kenya

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The Sauder School of Business has been developing programs in Nairobi, Kenya since 2006. The main program, Social Entrepreneurship 101 (SE101), is a three-week course where students from UBC and Strathmore University (Nairobi) teach young people how to write business plans. Participants are mentored, sources of funding for the projects are identified, and businesses have been launched as a result of the program. Learn about the 2011 project, and read more about the overall initiative.  The core of the program is the  Social Entrepreneurship 101

 

Social Entrepreneurship 101:

Africa is one part of the African Initiative of the Sauder School of Business. SE101 started delivering a business plan training program to youth living in Africa in the summer of 2006. Most of our efforts have focussed on Kibera and other areas of Nairobi, Kenya, but we have also delivered a modified version of SE101 in Johannesburg, South Africa. Our workshops educate and enable impoverished youth to start their own businesses.The program is based on one designed by Sauder faculty and delivered to residents in the downtown eastside of Vancouver, the poorest postal code in Canada.

 

Through extensive research and support from the Sauder community and our African partners, the UBC students involved in SE 101, together with students from Strathmore University in Nairobi, have designed the course to be practical, applicable and sustainable in the local context.

 

Project Components:
  • Three weeks of workshops to Kenyan youth on the essentials of a business plan.
  • One-on-one consultation sessions with program participants, to share ideas and information, complete the business plans and organize step-by-step development strategies.
  • Guest speakers from the Kenyan business community provide a local prospective, impart inspiration and share essential knowledge and experience.
  • Post-program support to polish the business plan, access funding, and launch businesses.

Intel Controls 82.6% of Global MPU Revenue – Yet, Lackluster Performance in Tablets Could Hurt in Coming Quarters

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Despite a design problem that forced a large-scale chipset recall, Intel Corp. in the first quarter managed to pad its dominant position in the global microprocessor business, according to new IHS iSuppli research.  Intel during the first three months of 2011 accounted for 82.6 % of global microprocessor revenue, up 1.6 points of share from the 81 percent it held in the fourth quarter of 2010. On a year-over-year basis, Intel gained 2.0 percentage points.

 

While Intel continued to ride high in the first quarter, the company this year will face a challenge from the continued market advances of the media tablet, the report noted. Intel has not come with a solution t ARM based microprocessor which powers most mobile devices in the market today.

 

There is also the risk that PC market will go down. So although Intel’s sales of its Atom microprocessor for netbook PCs rose in the first quarter, tablets will cut down shipments of netbook PCs this year. Media tablets, most notably iPad, don’t employ dedicated microprocessors like Atom, instead using integrated chips that include processor cores.

 

Those are the warning signs for the continuous dominance of Intel in the market. But Intel has been in this position many times in the past and came out fine. We will see with time how they address this cannibalization of their key market segment by tablets.