After two years and nearly $2 billion in losses, Microsoft's Surface turned a profit in the September quarter, the company said Thursday. For the three months ending Sept. 30, Microsoft recorded $908 million in revenue for the Surface tablet line, an increase of 127% over the same quarter in 2013. The nearly one billion in revenue was a one-quarter record for the Surface, and beat the combined revenue of the previous two quarters. Using information in Microsoft's filing with the U.S. Securities and Exchange Commission (SEC), as well as data from earlier quarters, Computerworld calculated the quarter's cost of that...