In this video, Austin Smith and Jeremy Phillips review what eBay's small test has shown, and how other companies might follow their lead, as well as what the implications are for Google.

The Motley Fool's chief investment officer has selected his No. 1 stock for the next year. Find out which stock it is in the brand-new free report: "The Motley Fool's Top Stock for 2013." Just click here to access the report and find out the name of this under-the-radar company.

*A prior version of this article incorrectly cited Priceline instead of eBay. The Fool regrets the error.