Irritated to colleagues sitting in a balance ball as a chair like Google

It's famous for what Google uses as a chair internallybalance ball"(A big and colorful vinyl chloride ball that is also used in fitness etc.), but it is not only sitting actually, but it depicts how frustrating it would be if you had colleagues using it as a fitness movie is.

Details are below.
Even just looking at it always being irritated


And every time it moves, it raises a bizarre voice


Furthermore, things on the desk are dropped by vibration


And what actions did your colleague kill me ...? Playback is from the following.

Jim Pops Dwights Exercise Ball from kavorka