Play dare with your friends or family to know how much they know about you. Its also a great way for new friends, couples and family members to get to know wach other more. Catch a surprise of embarrassment when your significant other has answered all the incorrect one.
You can choose to ignore only the questions you are comfortable answering. You can create separate dares for each of your circle. With the leaderboard, you can compare scores from your friends/family.