Let the dads in your life know how much you care this Father’s Day. You already know you can hire a TaskRabbit to deliver just about anything — from a bottle of something awesome to a shiny, new gadget — but have you thought about sending a card? You know, a printed-on-paper, dropped-in-the-mailbox greeting? Our friends over at Sincerely want to give you a free, customized card. How awesome is that? Grab one now for a dad that rules. Get a free card.