Today at Facebook headquarters in Palo Alto, CA, the company held an event to show off their new Places product — essentially their check-in service. We spotted in the wild a bit early, but that was only on the touch.facebook.com site (the site built specifically for touchscreen devices). Later tonight, it will be a central part of the new Facebook iPhone app as well.

In the introductory video that Facebook showed off to kick off the event, they showed a bit of the app. It looks…