Google is now taking face book, If you working your website on face book, it is give more advantage because face book known as public search engine, where visitor can go through this search engine without login , they can get more information about a site. In my idea if will submit your website more and more face book url it will give more advantage, more visitor.Through Face Book a webmaster can get more back link and also link popularity will increase to your site
Google is getting a bit more like Face book by enabling a Face book-style news feed within its Orkut social networking site, while the king of the walled gardens Face book acknowledges in actions (rather than words) that it really can't go it alone without search engines like Google, as it prepares to let crawlers into its public user profiles. Actually, Face book is telling its users that existing profiles already accessible to search engines will be exposed even more. Below, more on the moves, with lots of screens hots and explanations.
Public Search Listings on Face book from the Face book Blog covers how as of today, some limited user profile information -- what Face book calls a "Public Search Listing" -- is being made available to anyone who comes to Face book, regardless of whether they are logged in. This will include search engine spiders, as well. That means these listings should start showing up in Google, Yahoo, Microsoft Liv's to Track Website Traffic: