Google this week unveiled a new feature called Dashboard, intended to give users a way to view -- and in modest ways limit -- the breadth of information the search giant collects about our online lives. To check out Dashboard, browse to this link, and sign in to your Google account. From there, you can manage which Google Documents you're sharing, edit your Gchat history, or clear out items from your Web search history, among other tasks. Google said it was launching the service "to provide users with greater transparency and control over their own data." The reaction from privacy experts has been mixed. Ari Schwartz, vice president and chief operating officer at the Center for Democracy & Technology, called the Dashboard offering a good first step, and one that is several steps ahead of what Google's peers in the search businesses currently offer their users. "Google has said that