As a Pokemon Go player, I can confirm this is true. Once, I was walking in a park, and there was a river. There was a pokestop right in the center of the river, and someone simply walked out on the air to get within reach of it, but when he turned off his phone, he fell to the water. he made t out and told us it was worth it, for he had that coin bag that summons thoughts little coin guys, and it was a shiny perfect one.