Can Marketers Keep Up With Facebook?

Facebook is growing at warp speed. Not only are the company's user statistics staggering -- 200-plus million users, a 17-minute average stay, 850 million photos uploaded month -- but the service itself is evolving so rapidly that brand marketers can't keep up. For many of us, it's too easy to get distracted by the industry speculation: What will happen now that Facebook has overtaken MySpace in the U.S.? Will Twitter take share from Facebook? Are Google and Facebook on a collision course? It's like the digerati's version of "Hot or Not?" But what often gets overlooked is just how quickly the Facebook platform changes, forcing users and marketers to scramble to catch-up...