There's a ghost in your Excel spreadsheet. It's that invisible text box you keep accidentally clicking, or the chart that ...

Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

Dec 21 (Reuters) - Director James Cameron's third "Avatar" movie kicked off its box office run with roughly $345 million in global ticket sales through Sunday, meeting pre-weekend forecasts for the ...