Mobile initiatives to focus on growth, not revenue Facebook seems content to keep spending money to grow its user base and traffic rather than focusing on investing in projects that produce immediate revenue.That was a repeated theme of comments made by CEO Mark Zuckerberg at the f8 conference earlier this week. And it will also apply to Facebook's early efforts in the mobile ad market, says Jed Stremel,the company's director of mobile. When Facebook rolls out its Facebook Connect for mobile this fall, the social network will let developers keep 100% of any revenue they generate.It's also committed to keeping its own applications free. "We are using mobile for traffic growth," Stremel told me when we spoke at the MobileBeat conference this week. That growth has been significant, ... [ Read more ]