534
xkcd #2852: Parameterball
(imgs.xkcd.com)
Alt text:
The ball's density also varies, but players don't learn the value until after choosing their raquets. The infamous 'bowling ball table tennis' region of the parameter space often leads to equipment damage.
Better hurry, there will probably be 1000 of these by the end of the week ๐
Meh they can have it then.