PayPal almost bigger than its parent eBay

But soon, eBay's biggest business will likely be PayPal, the online payments service that has been growing steadily even as the economy has stumbled.

EBay has spent much of the past two years trying to improve its faltering marketplace business, hoping to increase buyers' trust and clean up the look of its Web site. In the meantime, PayPal has thrived as more consumers and merchants use it to send money online.