Microsoft tops Yahoo in US search results for first time, according to ComScore -- Engadget

http://www.engadget.com/2012/01/11/microsoft-tops-yahoo-in-us-search-results-for-first-time-accord/

Google, Microsoft each seek search "game changer"

http://www.computerworld.com/s/article/9222897/Google_Microsoft_each_seek_search_game_changer_?taxonomyId=212&pageNumber=1

When Not To Google: Searches You’re Better Off Making Elsewhere

http://www.lifehacker.com.au/2011/04/when-not-to-google-searches-youre-better-off-making-elsewhere/