vlingo:
Great app that lets you do so many things on your mobile device just by speaking. you can send a text message just by speaking the name and message out loud, same for email, just speak the name, subject and message and it will type it all out. it can doo so much more, here are all the functions of vlingo:

Call a contact.

Search the Web.

Update Facebook status.

Update Twitter status.

Tell a friend about vlingo.

Send feedback when the Feedback screen is displayed.

Send an email or text message.

Save a memo or task

Launch an application

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