On the Internet, every day is April Fool's Day

Livr, the social network for drunk people, had all the trimmings of an ascendant tech start-up. A slick promotional video featuring two Eisenbergian CEOs. A hip Web site littered with buzzwords and trademarks. Press releases. Stickers. Posters. T-shirts. An auspicious, grassroots buzz that began in Reddit's technology forums and bubbled into the mainstream press.