Who rules real-time search? A look at 11 contenders

venturebeat.com — Real-time search engines have proliferated over the last month, with a series of launches from start-ups like Topsy, almost.at and Scoopler. The companies are hoping to edge in on a space that Google co-founder Larry Page has admitted is a weakness for the search giant. Jun 21, 2009 View in Crawl 4