By Chris Morris

PHILADELPHIA (CBS) – On today’s APP-tastic and outta SITE – Yo.

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If you’re looking for a quick way to let someone know you’re thinking of them, Yo is certainly the app to do it. The app, which sends a text and audio message saying simply “Yo” isn’t meant to be a complex communication tool. It’s meant to let you tell someone you’re thinking of them – or as a quick check-in.

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Silly? Yep. Stupid? Arguably. But it’s addictive nonetheless.

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Check out the Yo app.