There have been many questions about the effectiveness of social media as a marketing tool and whether it adds some weight to search results. According to Danny Sullivan, both Google and Bing have added many social search features over the past year.
To get answers on whether either of the major search engines were using social signals to rank regular search results, he sent Bing and Google six questions about how they use social data from Twitter and Facebook with a special emphasis on trying to understand if and how that data influenced regular web search results.
Here are the responses to his email and some takeaways. » Read more: Elements of Social Media that aid Search Results











