Bus-bench butt-buster

Clever, but terrifying. An Amsterdam gym called Fitness First (and their ad agency, N=5) came up with these bus benches, which measure the weight of the person sitting on the bench and then display the person's weight on the accompanying bus shelter display. Here's a pic of one:

I think I'd be okay with it, but after a big dinner out on the town, who knows? Perhaps at that point I'd need to be feeling really lazy in order to be willing to sit down on that thing.