Yahoo! Auctions was an online auction platform launched by Yahoo! in 1998. It allowed users to buy and sell items through bidding, similar to other auction sites like eBay. Users could list items for auction, set starting prices, and specify auction durations. The platform gained popularity in the early 2000s but faced increasing competition and challenges. Eventually, Yahoo! Auctions was discontinued in 2007, as Yahoo! shifted its focus to other services. Despite its closure, it played a role in the growth of online commerce and auctioning during its operational years.