The folks at Appfrica have put together some interesting infographs on infrastructure investment and Internet connectivity in Africa. The graphs provide information on internet penetration and network readiness by country, and the various infrastructure development projects that are rapidly transforming Internet connectivity in Africa.
Researchers at the University of Tokyo say they’ve created a paint that blocks out wireless signals, reports the BBC. You can use it, for example, to make sure your neighbor doesn’t steal your wi-fi, and movie theaters can use it to stop cell-phones from interrupting films.
Last week we solicited your questions for Twitter co-founder Biz Stone. In the interim, Twitter has announced it will begin verifying some high-profile accounts to make sure the Tweeters aren’t impersonators. What was most interesting to me about your questions was that so many of them were skeptical of Twitter’s underlying value.