The immortality of digital data

The immortality of digital data - a knol by Robert Redl

Anatomy of digital data and its characteristics
From the rise of computing, through the "Backup ages" new forms of "digital divide" manifest. Terms like data security, encryption and data sovereignty are the upcoming adventures of the digital age.

http://knol.google.com/k/robert-redl/the-immortality-of-digi...

Google Knol opened to the public in 2008. Focusing on the main weakness of Wikipedia - the quality of articles.