Related (and to be fair, something that happens rarely now that everything is on google); people who ask you for directions and when you answer them willingly, accurately and with a helpful, encouraging tone of voice give you a look as if you are lying and sending them to a blind alley where they will be mugged and wake up with a few less vital organs.
Also related; people who proffer you their phone, Google maps pointing exactly where they are, asking you for directions to the place they're looking for, if they only looked up from their phone for two seconds to see they're pretty much standing next to it.
Related (and to be fair, something that happens rarely now that everything is on google); people who ask you for directions and when you answer them willingly, accurately and with a helpful, encouraging tone of voice give you a look as if you are lying and sending them to a blind alley where they will be mugged and wake up with a few less vital organs.