"Re-ranked search results, however, are only seen by the signed-in user and do not affect other people's results." http://www.pcworld.com/article/154310/google

"Re-ranked search results, however, are only seen by the signed-in user and do not affect other people's results." http://www.pcworld.com/article/154310/google_adds_customization_feature_to_internet_search.html http://www.pcworld.com/article/154310/google_adds_customizat... Nasty comments, well, that one does share.