What is a social card, you ask? It's kind of like a business card, but without the business. Or a business card if your job was being social, or just plain friendly. It's a way of saying "hello, my name is so-and-so. Here's my number. Let's do lunch." It's actually a very old-timey thing to do and it is making a comeback.
Playdate cards are like social cards — but for your kids! Making friends has never been easier. Exchange contact information with other parents at the park, the birthday party — wherever!