Many people are Tweeting, so what? To get the most information out of social media requires going beyond the reading of individual Tweets. Analysis of the data can help you better understand what is going on, when it is happening and because of the geo-coding where it is happening.
Check out this four minute ESRI video that looks at people on Twitter following the elections in Sudan.
From watching this video I deduce:
Jeff Baranyi shared the link to the video.