Online auctioneer, eBay Inc, said Wednesday its long-term growth outlook would boost through its PayPal global online payments system business and its core marketplace business.

Based on current business trends, the company expects totaled $10 billion to $12 billion revenue by 2011 from $8.5 billion in 2008, led by strong PayPal growth, Skype and other ecommerce formats.

Ebay predicts cash flow of $6 billion to $7 billion over the three-year period from 2009 till 2011 as well.

PayPal reported $2.4 billion in 2008 revenue, is expects $4 billion to $5 billion increase in revenue, $1.0 billion revenue for Skype and other ecommerce formats.

The company also expect on eBay Marketplaces business to achieve revenues of $5 billion to $7 billion, and aggressively targeting the $500 billion global secondary market, which includes liquidation, out of season, excess and off-price inventory.

eBay shares dropped over 20 percent so far since 2004 in the last quarter, is down 8percent to $10.54, and rose 3.2 Percent to $12 in the afternoon trading today.