tuning the way it presents its Internet search results to make it easier for people to find information and images they want. The new tools being introduced will be accompanied by a touched-up Google logo featuring slightly brighter hues of red, blue, green and yellow with less shadow in the background. Google's most noticeable changes will occur to the left of its search results. That area will offer more tools for reshuffling search results into specific categories, such as news, images, blogs and video. The new alternatives also will open more doors to other possible topics of interests. The company says it made about 550 revisions to its search engine last year alone, mostly tweaks to its closely guarded formulas for deciding which results and ads to after processing a search request. Google Inc. has been gradually offering more ways to slice and dice its results during the past two years. The latest changes are designed to encourage people to whittle Google's results more frequently. Also as part of Google's tweaks, the Google logo will lose the “TM” that signals Google is a trademark. Removing that symbol, though, doesn't mean Google is surrendering its legal claims on one of the world's most valuable brands.