The explosion of cards is a trend that's been on the rise for quite some time now. And there are lots of reasons why this might be the case. First of all, cards are a great way to keep track of your spending and budgets. You can see how much you've spent and where your money goes. Plus, they're cute! And if you're someone who likes to give cards as gifts, then you'll love the fact that cards from boomf are especially customizable. You can add your own images, text, and even personalize the colors.