Is Twitter a Two-Way Street?: To get a lot of followers on Twitter, do you need to follow a lot of other Tweeps? And if not, why not?
You’ll hear from the network-theory whiz Duncan Watts, a former Columbia sociologist who now works at Yahoo! Research. He’s the author of the very good book Six Degrees, as well as the brand-new Everything is Obvious (Once You Know the Answer). And he co-authored a recent paper called “Who Says What to Whom on Twitter.” From the podcast: