In the top graph, I did some back-of-the-napkin calculations and redid Pew’s numbers based on the total U.S. population. A little less than half (41 percent) of Americans check Facebook daily.

As App Graph learns about what apps you have, it's fed into Twitter's knowledge graph as it relates to ads. Those ads can also be targeted, so someone not interested in sports won't see a coupon ...

In honor of this evening's MTV Movie Awards, the digital team at MTV have rolled out a highly interactive (almost too interactive) Twitter live-graph that will tell you via text and dynamic ...