Smokers on the dancefloor
Drag shows interrupting the flow
People talking on the dancefloor
B-Boy dance circles taking up precious dancefloor space
Live singing performances
DJ's who don't fit the format
DJ's who won't read a crowd and keep playing music people clearly aren't enjoying
DJ/promoter talking too much on the microphone
Checking phones on the dancefloor
Hired club photographer taking pictures