OnStar users to keep on using once their free year is up, but apparently someone up top has been doing a bit more than just mulling. Gearlive received quite the interesting survey from OnStar this week, with a paragraph clearly explaining how Twitter integration would work should it come to the in-car alert / communication system. Essentially, the system could be programmed to read back tweets directed at you and convert your voice to text in order to upload new tweets. Envision this: you tweet that you're headed to Forks, Washington, and you ask your thousands of followers to name a good place to buy garlic. Magical, no?