Foursquare's workers apparently aren't happy campers, as reports of sluggish revenue and growth are taking a toll on staffers' morale, Alyson Shontell writes. The situation makes CEO Dennis Crowley's constant tweets and check-ins from vacation hotspots a little hard to take, insiders say. "I think he lacks self-awareness, which is the issue, ultimately," one source said. "You don't tweet about all your travels when things are hard."
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