In the news recently was the revelation that researchers in Japan are working on a digital 'Rosetta stone' to back up your digital data for 1000 years. If all that content however is poorly named and organised, the nightmare won't be hardware failure but the inability to find anything - and it won't take 1000 years to be a problem. It has been predicted that by 2011 over 60 billion digital photos will be taken annually. That's a lot of content.