Keeping data forever

Available for over a year

Could your family photos end up being stored on a piece of glass? Might you find yourself saving a file to DNA storage? Or downloading a video from a data centre in space? Current methods of storing information are susceptible to decay and have limited capacity but novel approaches could provide plentiful storage so that our selfies outlast our species. Reporter/ Producer William Kremer for the BBC World Service. Picture credit: Southampton University