Oh just profile information, such as age, gender, city, ZIP code, favorite music, favorite movies, favorite TV shows, favorite books, "about me," activities, interests, and political views. What, not addresses and Social Security numbers? Even more disturbingly, there's no information about Chainn on its website — just an email address. AllFacebook.com found that the chainn.com domain is registered to Naval Ravikant, a cofounder of the shopping-review site Epinions.

Of his past transgressions, which included doctoring his resume to say he worked at McKinsey (he hadn't) and completed his Stanford degree (he later finished it), he had this to say: "I did it, it was wrong, it was dumb, I won't do it again." And he had news of interest to Valley oldtimers: He's thinking of restarting Round Zero, the '90s boom-era networking group famed for its lavish dinners and raucous arguments.