Hip-Hop mogul Jay Z was spotted alongside billionaire Facebook creator Mark Zuckerberg earlier today (July 26) at the social media giant’s Menlo Park, CA headquarters. Prior to his performance at Candlestick Park in San Francisco, a snapshot surfaced online, depicting the rapper alledgedly speaking to staff members during a visit to the Facebook office. His Legends of the Summer co-headliner Justin Timberlake is heavily involved with the resurgence of MySpace. Jay’s personal digital imprint Life + Times launched late last year.