'Zombies Run' app becomes worldwide hit

A new app encourages people to run faster by giving them the impression that they are being chased by the living dead, Channel 4 News reports.

A new app that encourages people to run faster by giving them the impression that they are being chased by the living dead --called 'Zombies Run' -- has already sold almost 100,000 downloads in just two weeks after its release in Britain.