The below is copied and pasted from the above link...read the whole article though!
EBay and Yahoo dropped an announcement bomb early this morning saying that the two Internet giants have agreed to combine their efforts on a number of projects. By 2007, expect an increase in eBay search results on Yahoo!, an increase of contextual text and graphical ads on eBay, PayPal to power Yahoo! Wallet, a co-branded eBay Toolbar, and click-to-call advertising using Yahoo! Messenger with Voice and Skype.