Relying on its new "Want" and "Collect" buttons, Facebook (FB -2.4%) has begun testing...

|About: Facebook (FB)|By:, SA News Editor

Relying on its new "Want" and "Collect" buttons, Facebook (FB -2.4%) has begun testing Collections, a potential Pinterest rival that allows users to save pictures of products they like, and visit third-party sites to purchase them. Collections could be Facebook's second attempt to monetize e-commerce via referral traffic, following the recent launch of its Gifts feature. Testing partners include Pottery Barn and Neiman Marcus.