Giga Alert - Professional Web Alerts - Browse Results. Blog. October 5th, 2010 Social media search engine, WhosTalkin, recently integrated Facebook’s new API, giving the search tool unrepresented reach. WhosTalkin is a social media search engine that searches real time conversations from around 60 different social media gateways. Adding Facebook, marks a significant step for the almost 2 year old search company. Read the rest of this entry » Walk2web. Twitter Analytics. Keotag - tag search multiple engines, tag generator and social bookmark links generator.