Poll: Black teens most active on social media apps

Teenagers and their technology are inseparable, but a new poll shows black teens are the most likely to have access to smartphones—which could explain why they're the biggest and most frequent users of mobile-friendly social ...

Can Snapchat visionary keep the app cool?

Four years ago, Evan Spiegel made the bet of his life, rejecting Facebook's $3 billion offer for his fledgling video messaging app, Snapchat.

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