Over the past few months, you may have noticed a few new search items popping up in your Google, Bing or Yahoo search. This is not something new, social media and search applications are in a constant state of evolution.

But it was only a few weeks ago that Facebook and Microsoft's Bing announced an agreement that would allow Bing to return search results based on the Facebook 'likes' of the searcher's friends - just another element of social media integration. Although it should be noted that Microsoft does have a 1.3% shareholding in Facebook...