D@M: you're right, all man made things will fail sooner or later..  The more moving parts the sooner

Saving data comes in a lot of flavours..  But since Im not running a business off my art (not yet anyway),  I care not to go too over board in saving it from explosions, hurricanes, Just in case events and other local out of my control events...  lol

I think DVDs are really a great way to save stuff for at least 8 to 10 years if I'm lucky...   DVD's are not forever either as you may know....  but you wind up with hundreds of DVDs after a while that need condensing every once in a while...  Thousands of images some good some awful...  

eventually you'll loose a lot of them... 

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