> The problem with those kind of numbers is that they are easy to get wrong by a couple of digits. Think about how difficult it can be to read a number over the

> The problem with those kind of numbers is that they are easy to get wrong by a couple of digits. Think about how difficult it can be to read a number over the phone. This already presupposes that the parties involved in the communication are using smartphones, so why not send the coordinates over SMS, email or any other available messaging system?