December 15, 2008: 27, single, West Village, straight.

So there’s this iPhone app called Grindr. It’s a GPS-enabled social-networking service for gay men. It tells you how many feet away a possible hookup is standing.

Two and a half years ago, we began a project in the magazine that quickly migrated to our website, asking one New Yorker a week to record his or her sex life anonymously—the conquests, the agonies, the onanism.

Uncensored thoughts on the pros and cons of cut versus uncut lovers.

To understand the real difference between being circumcised and uncircumcised, ask someone who’s been cut and uncut.

A poll of 100 New Yorkers, evenly split between the sexes, on what David Letterman did in the office, and what they’ve done.

What are the odds?

Flirting, spying, doing speed, hooking up, and getting hitched. In camp, hotels, and a Vinegar Hill tent. Seven writers on their most memorable summer flings.

Science comes down on the side of the cougar.

At the premiere of He’s Just Not That Into You, we asked real-life couple Lindsay Price and Josh Radnor about the battle of the sexes.