Having a tough time deciding where to go on vacation? Wonder what credit card is right for you? Curious to see what sports your children’s skills and traits might make them best suited for? Get some assistance finding answers and making decisions from the recently launched Hunch, a Web site developed by MIT computer scientists that learns about your personality and desires, and utilizes collective knowledge to offer suggestions on questions in endless subjects based on what it knows about you. Join this online community and help develop questions and answers — the more contributions the site gets, the smarter its hunches will be. See what others are curious about and how similar their answers are to yours. And have a little fun finding out in ten questions or less whether you should spend your summer vacation exploring an exotic foreign land, relaxing on a sandy beach in the sun, or visiting the historic sites of Europe. Whatever the answer, it’s all about you! (www.hunch.com)   RINA VAN ORDEN