LinkedIn Lookup app helps you connect with coworkers

LinkedIn's new Lookup service is a virtual, auto-updated Rolodex that's exclusive to your company. The app is designed to make it easy to connect with coworkers, but it may be a challenge for administrators to organize and maintain.
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Matt Kapko has been writing about technology since before the dawn of the iPhone, and covering media well before it was social. Matt lives with his wife in a nearly century-old craftsman in Long Beach, Calif. He can be reached on Twitter: @mattkapko or by email: