In other words its logically similar to the “up-voting/liking” the results. Google is finding new ways to fight search spam and to make the search results to be more relevant.In a recent move google updated the algorithm to curb the content farms to improve the quality.
The new Google+1 feature has to prove itself to be popular or in other words Google have to wait to see google+1 to fetch popularity.
To enable this googe+1 button visit this page to activate.You will now see+1 button adjacent to the search results in google.com.
Its logically similar to facebook like button. Do you think it will gain popularity ? share your thoughts with us.