Lately I’ve started being interested in presentations design: I’m attracted by the way in which designers can represent info in a good and simple way for people to understand the concepts behind them.

FlowingData is a blog that explores how designers, statisticians, and computer scientists are using data to understand ourselves better – mainly through data visualization.

In a recent post, Worldwide Obama Buzz Visualized, they show a visual representation of the mobile phone activity during the celebration of Barack Obama’s 100th day as the President of the US. Here is the result: