Remember Tentwenty, the anonymous local app rife with tech gossip (in the Bay Area)? One of its users was right about Andreessen Horowitz leading an inside round in Zenefits, even calling the $500 million valuation. So, when can we expect that Square credit card?

Last week I downloaded Tentwenty, a newly launched local message board that displays text and photos from anonymous users according to where they are in real time. Scrolling through my sparse feed at home in Brooklyn, I noticed that initial users weren't from the expected tech set, as well as a puzzling number of posts from Tenafly, New Jersey (not traditionally considered an early adopter mecca).