-- Tom Ilube is chief executive officer of online security firm Garlik. The views expressed are his own. --
Facebook CEO Mark Zuckerberg may have traded in his Adidas flip-flops for tennis shoes, but he was as coy as ever when it came to talking about the social network. On stage at the Web 2.0 Summit in San Francisco, host John Batelle asked Zuckerberg about Dubai, referring to rumors that Facebook CFO Gideon Yu was in the Middle East seeking financing from the sheikhs.