One trick I do is to have an inbox and outbox for your business cards, e.g. left and right pockets. I've embarrassingly given someone a card I had received pri

One trick I do is to have an inbox and outbox for your business cards, e.g. left and right pockets. I've embarrassingly given someone a card I had received prior. Mixing received cards with your own makes for awkward fumbling as you pull out a business card to hand someone.