Meg Pearson has a fun chart on Flickr showing the life of a trending topic on Twitter. It’s a somewhat satirical, somewhat truthful, look at how a topic slowly grows in waves before being drowned out by the mass of people talking not about the topic, but about the topic’s popularity (the “meta summit”).
Randall Hand
Randall Hand is a computer graphics programmer and news junky that's been working in the field for the last 15 years. He's responsible for visualizations generated on some of the most powerful supercomputers in the world, ytnef, mullion support in ParaView, and VizWorld.com.