For what it’s worth: I just got in from a breakfast panel where Dennis Crowley was “checking in at” all over the place.
Cho and I got into a VERY HEATED DISCUSSION over whether one checks in “to” or “at” a location with Foursquare. I insisted on “at.’ Cho vociferously disagreed and called me old. Now my feelings are hurt and I still don’t know which is correct.
By the way, Cho would badly like you to go here…
