 Actually, you probably don't if you were born after 1990. That's right. Checks are becoming increasingly rare, and the big retailer Target announced it'll stop accepting personal checks starting next week. That adds to a list of major businesses such as Whole Foods, Aldi, Old Navy, and Lululemon. So, A, they still want our money, just not by check. I know, right? Professor Stephen Quinn at Texas Christian University says that's a big change.