A pre-launch history of Facebook at Work

After almost two years of trials and tests, Facebook will finally launch its social platform for businesses, Facebook at Work, on October 10 in London, according to TechCrunch.com. The company also reportedly decided to make a significant price change that should generate more revenue for Facebook but at a potentially higher cost for customers. In December, the company said its social network for business would be free at launch and it would eventually charge for additional support, analyti