eBay is the world's largest online marketplace, with over 81 million monthly visitors and over 133 million concurrent listings. It generates revenue through fees charged to sellers and also owns PayPal, a major online payment system. While eBay faces challenges from competition and legal issues, it has strong assets like its market position and efficient business model. The document recommends eBay focus on improving its interface, expanding PayPal, and making strategic acquisitions to continue its long-term growth.