I know there are services like tweetlater.com, but am not sure about foursquare. I thought of making an app to do this, but obviously the second it did well fou

I know there are services like tweetlater.com, but am not sure about foursquare. I thought of making an app to do this, but obviously the second it did well foursquare would add a 'publish at' field to checkins. Might still do it as an intellectual exercise though.