InLosAngeles,aremarkableexperimentisunderway;thepolicearetryingtopredictcrime,beforeitevenhappens.　　AttheheartofthecityofLondon,onetraderbelievesthathehasfoundthesecretofmakingbillionswithmaths.InSouthAfrica,astronomersareattemptingtocataloguetheentirecosmos.Theseverydifferentworldsareunitedbyonething-anextraordinaryexplosionindata.　　Horizonmeetsthepeopleattheforefrontofthedatarevolution,andrevealsthepossibilitiesandthepromiseoftheageofbigdata.