Pearltrees & Web 2.0 expo. Peartrees. Twitter. Open Source microblogging service. Public timeline. Augmented Media Company. Alternatives à Twitter. Can a whole continent get free Wi-Fi? This guy thinks so. When Paul English, the co-founder of travel search engine Kayak.com, says that he has a "big, big project" ahead of him, he's not kidding.
That's because he's planning to cover all of Africa with free Wi-Fi, and he wants it to be "completely self-sustaining," to boot. He aims to bring this about through JoinAfrica, a non-profit/for-profit mishmash that'll get underway this summer.