SOCIAL WARNING SYSTEM

Methods, systems, and apparatus, including computer programs encoded on computer storage media, to detect system problems using social media. One of the method includes monitoring posts on a plurality of social network sites. The method includes identifying posts that include at least one of a plurality of keywords, at least some of the keywords indicative of system problems. The method includes tagging the identified posts. The method includes determining, based on the tagged posts, that a system problem is occurring. The method also includes raising an alert regarding the system problem.