2013: Feature clustered users’ search histories into topics that can easily be searched again. 2011: Google announced the new targeting capability, saying it was the first of more extensive targeting features it was working on. 2011: Related: Internet Lowlifes Already Targeting Japan Quake Search Results2011: Bing saw its largest share to date – 13.6%. 2010: MSN was by far the top source, the last site visited by 42.7% of Bing users before they went to Bing. From Search Marketing Expo (SMX)Past contributions from Search Engine Land’s Subject Matter Experts (SMEs)These columns are a snapshot in time and have not been updated since publishing, unless noted.