15 amazing features in Google Apps you probably don't know about

Google has big plans for its Microsoft Office killer, Google Apps. It hopes to nab 80% of Office users away from Microsoft.

To do that, Google isn't just matching some of Microsoft's Office's best features, it is adding a bunch of cool features of its own. Some of them can be pretty hard to find. So we asked Google to send us a list of some the best little-known features in Google Apps (plus we threw in a few of our own).