Even though it's the undisputed leader in search, Google isn't sitting still. It can't. Unlike email services or social networking sites, users don't have a great deal invested in which search engine they use so users can and will switch search engines if a better one comes along.
Google's acquisition of ITA should be blocked, as should all attempts at vertical integration by a search engine provider into comparison-based businesses or into any direct retailing-based businesses.
The discussion of Google and antitrust has shifted in recent weeks from relevant market and anticompetitive behavior to consumer happiness. The problem is that consumers are not always the best judges of their own welfare.
Yesterday, Google announced the arrival of +1, a tool that adds an element of social networking to the company's search engine. If you think it bears any similarity to Facebook's "Like" button, you are not alone.