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Sir Tim Berners-Lee, the creator of the Web, has embarked on a trip through Africa on behalf of the non-profit Web Foundation - which today announced two new projects.

The Web Foundation exists to bridge the 'digital divide' in Internet usage. Only about 25% of the world population uses the Web today, however more than 70% of people have access to mobile or fixed communication devices capable of displaying Web content. According to the W3C, "the gap in Web usage is partly attributable to the lack of accessible or relatable content, and the lack of available training on how to use the Web to its full potential."

Google today announced a number of SMS-based services for the African market. Google SMS provides access to information by SMS (news, local weather, sports, agriculture tips, etc.), while Google Trader is an SMS-based marketplace where buyers and sellers can connect. Google SMS Tips is a query-and-answer service that can take any free-form text query, find the keywords, and then identify and return a relevant answer from a large database.

"There are 2.2 billion mobile phones in the developing world, 305 million computers but only 11 million hospital beds," said Terry Kramer, strategy director at British operator Vodafone at the Mobile World Congress held in Barcelona this week. That's why Vodafone, along with the United Nations and the Rockerfeller Foundation's mHealth Alliance have banded together to advance the use of mobile phones to better aid those in need of healthcare in the developing world.

This post is the first in a two-part series about 1) the African mobile marketplace and how Africans utilize their mobile phones; and 2) how organizations are using social marketing to reach this highly mobile population for social change.

The series is based on a conversation I had with Gustav Praekelt, a mobile entrepreneur located in South Africa. Part 2 is here.

Traditionally, the greatest power that governments have held over their people has been information. The promise that connectivity brings to Africa is that people are now using that abundance of information for oversight of government and more interaction with administrations. To say that the propagation of internet and mobile connectivity in Africa has been disruptive is an understatement.

A number of web and mobile applications are undermining the efforts of dictators and totalitarian governments, allowing them to be more readily be held accountable for their actions. In this post we profile some of them.

In Amsterdam the social media technology conference PICNIC2008 wrapped up last week after devoting an entire day of scheduling to the innovations coming out of Africa. Dubbed 'Surprising Africa', the conference featured prolific social entrepreneurs and technology developers from around the world who offered insight into various projects from the African continent.

In this post we look at the state of the fast-growing mobile industry in Africa. This is the second post in our series on Africa's Web (Part 1 is here).

Contrary to popular belief, Africa is not completely absent from the Internet. In fact, the continent at large is undergoing a connectivity revolution unlike anything it has ever seen. Mobile phones in particular are propagating at an incredible rate, with penetration ranging from 30% to 100%. The average is 30.4% and there are 280 million subscribers in total, making Africa the fastest growing mobile market in the world.

The point of this series is to highlight African contributions to social media and, in turn, reveal how social media is changing Africa.

Afrigator, a multimedia meme tracking site aggregating African blogs, podcasts and video, has been acquired by South African conglomerate MIH Group/Naspers. We gave Afrigator a positive review nine months ago and CNN's Business 2.0 called it one of 31 companies to watch outside the US last year. (Warning: Insipid, traditional media, ad-ridden "slide show" behind that CNN link.)

The Afrigator interface, algorithm and user experience were key in driving the kind of growth that made it an interesting acquisition target. We haven't been able to get any details on the record about the price paid but suffice it to say that Afrigator's founders and angel investors have all been well rewarded.