People tend to check in during these times:
Play with Surface in the lobby!
Parking under building as well as across the street.
Play pinball in the third room copy room
This is a sample tip.
A great group of people in this building. (Please check that you've done this...done this great group of people in this building.) ;)
There's a hidden lounge and foosball table in floor 5's copy room.
Bring your own mug for the espresso stand.