How to Find Out When Your #Facebook ‘Likes’ Go on Sale

Some 5.6 million products have been “Liked” across the web, according TheFind. The search-based shopping site introduced a system that automatically notifies users when items they Like go on sale.
http://mashable.com/2012/07/10/facebook ... gle+Reader
http://mashable.com/2012/07/10/facebook ... gle+Reader