Google pays you to troll it.
Download the Android Google Opinion Rewards app and Google will regularly send you short surveys to fill in, crediting small amounts (10 -30p) to your Play account for your answers. I've been telling them all sorts of nonsense for a couple of years now and earn enough to rent the odd movie etc. off them. There's not much the little guy can do to rage against the machine, but I like to think I'm doing my part to feed them noise. And err, that's also why those searches for XL-sized REDACTED REDACTED are in my search history.