This gadget is still interesting for its price. It's about as expensive as 50 sheets of archival quality paper and a lot more convenient. If you want to assure

This gadget is still interesting for its price. It's about as expensive as 50 sheets of archival quality paper and a lot more convenient. If you want to assure durability there are better methods. Good paper, parchment, fired clay, or high tech ideas like storing data in glass. But in terms of easy and cheap methods for one or two human lifespans this occupies a niche (together with archival-quality CDs and the like)