Times used to be, if you wanted to let a friend living thousands of miles away know you were thinking about them, you’d have to write a letter, give it to a guy on a pony who’d race away with it into the sunset and then wait for days or weeks for the mailman to bring their response. At least I think that’s how mail used to work. But now, you can just order up a coffee for your buddy and let them know they’ve got a free pick-me-up waiting for them to pick it up. [More]
