Share 'Are Facebook and MySpace a Waste of Time for Business Networking?'

I've discovered that general social networks Facebook and MySpace can be complete waste of time for business. It's that simple. Facebook is a gaming gimmick that wastes office time. I've therefore decided that I'm only spending time with the "Big 5" business networking sites SUp.biz, Plaxo, LinkedIn, Ecademy and Xing. I'll focus on Facebook here - my browser keeps crashing with the junk and s...