The things you can do are: eat, shop, browse, internet surf, or go to sleep on the benches, or walk from one end of the duty free to the other and back and forth.
its like a bloody refugee camp at night, odd folks kipping everywhere
Exactly the same as any other major airport.
What a pointless thread.
Just to support Daven1986's post, Nairobi International Airport had nothing for me to do, apart from just sitting down and watching the hands of the clock turning slowly...
Dubai airport is lively... and I think you will like. When are you going, and what destination? Also have a look at the cars they have on "competition", and take some snaps or take snaps of other tourists taking snaps.