User blog comment:Damac1214/"The Replacer" Trailer released + Double XP Weekend announced/@comment-3150799-20130122201624

Near the end, notice the Perk-a-Cola machine (I believe it's Speed Cola?) in the elevator, going up. My guess is that (some) Perk Machines use elevators to move between different floors, or even making you unable to get to them at all. Anyway I think it's a funny concept.