Amazing TED Talk: George Ayittey on Cheetahs vs. Hippos. http://www.ted.com/talks/george_ayittey_on_cheetahs_vs_hippos.html
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Amazing TED Talk: George Ayittey on Cheetahs vs. Hippos. http://www.ted.com/talks/george_ayittey_on_cheetahs_vs_hippos.html