A notification pops up on your phone screen: "Someone has a crush on you!" No, it's not Cupid. It's not Tinder, either. It's Partiful . The event invite platform has been rolling out a new feature called "Crush" that tells you if you have a secret admirer. Genius? Maybe. A slippery slope? Definitely. "You can select any of your Mutuals to crush, and they'll receive a notification that someone Crushed them!" Partiful explains on its website. "They won't be told who Crushed them, but the