Is Mark Zuckerberg in Taiwan? If the Facebook “Places” feature was available here, maybe we'd know for sure. The Internet was abuzz yesterday with rumors of local sightings of Facebook founder Mark Zuckerberg, who many netizens allege is currently on a low-profile visit to the nation. On the Mobile01 Internet forum, a commenter with the username “seattleincredibo” claimed to come face to face with the world youngest billionaire Thursday afternoon in the lobby of the Taipei Hilton hotel, watching as he and three friends left through the side door. “O.M.G. We just saw Mark Zuckerberg at Snake Alley. Walking with his gf and 2 bodyguards. We were so shocked we only got his back,” posted “Yupkigirl,” a self-professed Asian journalist/pop culture sociologist on Twitter, the microblogging website, late Thursday. The tweet has also been reposted on the website, Justspotted.com. Snake Alley is a Taipei City night market on Huashi Street. The “girlfriend” mentioned in Yupkigirl's tweet ...