Do online age predictors really work?

If you've done any scrolling on social media or viral sites lately, you have probably come across a few prediction quizzes. By answering a handful of questions, these quizzes will try to predict your favorite pet, dream vacation, where you live, or something else about you. You can even find websites that try to predict your future appearance! While you might find the tests or technology fun to try, can they really predict your future? One web-based program claims to do such predictions with at least some basis in reality.