People tend to check in during these times:
Bathroom code is 4321* ... the door pops open like you found a secret level in Zelda.
Early investor in foursquare. In other words, you better check your ass in!
Say hi to the office squatters, Chester (human) and Fuzzy (dog).
Candy jars in the conference rooms with a good selection - great for your sweet toothed co-founders
Bryce is a very tall man
Grab a Run OATV sticker!
Take their money. It's totally worth it.
Try a frothy coffee from our fancy coffee machine!