Google is making plans to turn its +1 button into a crowdsourcing tool that helps it re-order search results and fight web spam.

While not surprising, the move would bring Google’s search engine into the social networking era, while simultaneously creating a new avenue for blackhats to manipulate search results and potentially incurring the wrath of trust-busting authorities.

via Google Explores Re-Ranking Search Results Using +1 Button Data | Epicenter | Wired.com.