Digital Life: Ad-sponsored social media updates may have limits

This Facebook status update is brought to you by Tropicana. This Twitter post is sponsored by Neutrogena. Gotta love their face wash!

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<p><a href="http://www.physorg.com/news158435080.html">Digital Life: Ad-sponsored social media updates may have limits</a></p> <p> This Facebook status update is brought to you by Tropicana. This Twitter post is sponsored by Neutrogena. Gotta love their face wash!</p>