Persistency – in 140 Characters 

A tweet from Stuart Weibel which was brought to my attention by Chris Rusbridge summed up persistency in 1 tweet:

#persistence: [resource | identifier | metainfo ] that outlives the business case that created it

I wonder what other significant summaries can be provided so succinctly? How about:

The cell is based on a double helix!



Any other thoughts?