1/31/11
Carriers charge a premium for text messaging bandwidth. But you can send and receive text messages for free using some apps. With a Google Voice account and the Google Voice app, you can send, receive and get notifications of incoming messages even when the app isn't running.
1/28/11
You can add functionality to Gmail using Gmail Labs extensions. Take a look at some of the most useful extensions, like Multiple Inboxes, Superstars, Canned Responses, Inserting Images and Undo Send.
