Have you ever asked a friend to call you during a date in case you needed an excuse to get out of there?  Well, just like about everything else, there's no an app for that. It's called Tickle. The app uses the iPhone's accelerometer to sense your awkwardness on a date.

Tickle monitors things like fidgeting or shaking your leg and if it senses enough, it generates a fake phone call. The app is coming soon and you can sign up for a waiting list now.

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