For a lot of people, turning 65 is a kind of love-hate experience. It’s legally seen as the start of old age, when you can collect Medicare and Social Security. Some people retire, some people feel like they can’t or don’t want to. So what’s so special about 65? Today, we talk to a few folks who are 65 (or 65 at heart) about the magic number. Plus: YouTube preps big changes to kids’ content and everything you need to know about the Fed.