4. Custom Keyboard Shortcuts

I hate using my mouse. I've set up hotkeys for almost every common task on my computer, using a combination of built-in Windows functionality and custom scripting from . With Custom Keyboard Shortcuts in Gmail Labs, this same power is built right into the Webmail interface. While Gmail's had a set of for some time, the "Custom" tab lets you remap keys to your own liking, allowing you to build your own hotkeys and make your favorite actions easier than ever.5. Text Messaging in Chat

The appeal of option is obvious. We all know we're with mobile-based SMS rates. Throw the switch on this puppy, and you can send and receive texts from right inside your Gmail window. Take that, AT&T.

1. Mail Goggles