Just launched from a VA-based tech company, this free iPhone app takes the deadly hassle out of making everyone jealous over your sweet road trip: with the push of a button, it'll geo-locate you, then send out a tweet with text like "Just arrived in Middletown, CT"; amazingly, to retract a tweet, all you need to do is shake your phone, or simply hurl it out the window for reminding you that you're in Middletown, CT.

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"Tap n' Go" technology! It's like the not-too-distant future! ...at RoadTweets.com