StubHub is an online ticket marketplace that allows users to buy and sell tickets for various events, including concerts, sports games, and theater performances. Founded in 2000, it provides a platform for individuals to list their tickets for resale, making it easier for fans to find tickets to sold-out events. The service offers a user-friendly interface where buyers can search for events by location, date, or artist. StubHub also provides a guarantee for ticket authenticity, ensuring that customers receive valid tickets for their chosen events.