Social-Search: Search links shared by friends on Twitter & Facebook

Are you trying to revisit a link a friend shared on Facebook or Twitter? If yes, then you can use a neat search engine that searches links your friends shared on Facebook and Twitter. This search engine is called Social-Search. You start by choosing whether to conduct your search on Twitter or Facebook.

http://www.makeuseof.com/dir/socialsearch-search-links-on-twitter/