Articles about check-in

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Nokia's "Social Gift Machine" apparently dispenses Nokia N8s
Foursquare to protect the location of your home
Foursquare adds events to check-in locations
Inq Cloud Touch phone to use of Foursquare instead of Places (Updated)
Nock Nock lets users find out where the cool kids are
Google Hotpot now integrated with Places
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Foursquare updated to version 3.0
inPulse watch allows you to check-in with Facebook Places