Why Google and Bing's Twitter Announcement is Big News

Why Google and Bing's Twitter Announcement is Big News - O'Reilly Radar: "Lurking innocently on Google's blog this afternoon, like many of their big announcements, was the bombshell that they have reached an agreement with Twitter to make all tweets searchable. This followed an earlier announcement at the Web 2.0 conference by Microsoft that Bing has also arranged to make tweets searchable."