Any merchant can monitor how many people have viewed their ad, how many have tapped on it, and how many actually came into their store.
bill
5:26 am on Oct 21, 2013 (gmt 0)
Has the enthusiasm for user check-ins faded? Foursquare could have had something like this a long time ago when check-ins seemed all the rage. The willingness to share and report one's location does seem to be waning.
