Google Answers the Twitter Threat With Time-Based Search Options: "Google (Google reviews) has just made search a lot more useful, and real-time search offerings (i.e. Twitter Search, OneRiot, and Tweetmeme) are about to feel the power of the Google juggernaut. Why? Because of the release of Google Search Options, a new Google search feature that provides the user the ability to drill down search results by recency, content type, and more."