Facebook has announced a major addition to its social network - smart search engine is called a graph search.
The new tool allows users to "natural" search the content of your friends.
Search terms can include phrases such as "Friends who love Star Wars and Harry Potter."
Founder and CEO Mark Zuckerberg has insisted that this is not a web search and therefore is not a direct challenge to Google.
However, the integration of Microsoft's Bing search engine for situations when the graph is looking for someone he could not find the answers.
Mr. Zuckerberg said he "did not expect" people to start flocking to Facebook to perform a web search.
"It is not the intention," he said. "But in case you can not find what you are looking for, it's nice to have this tool."