Possible Clues:

• Former owner of Skype
• Big auction corporation
• Taobao, the so-called "___ of China"
• Parent company of Gmarket
• Site that prohibits the selling of souls
• Commerce site with bidding snipers
• Site with a 'Dolls & Bears' section
• Site where you can bid on vintage Pokemon cards
• PayPal's parent company, once
• Virtual market