Facebook founder Mark Zuckerberg married his long-term girlfriend, announcing the happy news through a status update on the social networking site.u00a0The 28-year-old billionaire tied the knot with Priscilla Chan (27), in an intimate ceremony at his home in Palo Alto, in California attended by less than 100 guests.

Happily hitched: Mark Zuckerberg and Priscilla Chan have have been together for nine years and secretly got married on Saturday with friends eating mouse-shaped chocolates at the reception. Pic/Facebook