What are we going to do with 53 million IBM punch cards?

Cortez writes “The National Archives and Records Administration has a daunting task: http://www.technologyreview.com/articles/05/07/iss ue/feature_memory.asp
“The most famous documents in NARA’s possession–the Declaration of Independence, the Constitution, and the Bill of Rights–were written on durable calfskin parchment and can safely recline for decades behind glass in a bath of argon gas. It will take a technological miracle to make digital data last that long.” But what could possibly go wrong?”