Postsquare is a SMS application. To get started, send an SMS with your merchant id (for the demo just use a number between 1 to 50) to (202)-499-7774.
Once you verify your account, you can start receiving foursquare updates from your venue.
The top visitor at your venue this week.
Weekly updates on how you compare to your competitors.
New specials in your area to keep up with competition.
One off updates
Get notified when a celebrity checks in
Someone with over 30 tips checks in - make sure to treat them well!