Google Search Being Challenged!!

Google Search is being challenged by those associated with Wikipedia - no, not legally challenged in court, but by new engineering efforts to challenge Google Search's predominance in web searching. Will there be new improvements on the horizon? What will this mean for libraries and librarians, as well as others who seek and access information on the web? Right now, search engines are proprietary, so we don't know how they rank what they locate. Will that change? See this article from NewScientist.