Funny story: I was once visiting my friends house in the English midlands. I had been there once before, but this time I had to find the way there myself. I m

Funny story: I was once visiting my friends house in the English midlands. I had been there once before, but this time I had to find the way there myself. I managed to get the entire way to his street, but then I realized that I had forgotten his house number. He didn't pick up his phone, and I didn't want to knock on every door on the road. I was lost. Then I realized that the previous time I had visited, I had logged on his wifi. It was from a different phone, but with Google's sync all my old wifi passwords had been synced. I didn't remember the name he had given it, but I could walk along the road until I suddenly connected. Saved the night.