Can anyone else name a system where everyone has equal read and write privileges to a data store where that data is reliably available?
Look at this stuff:
http://coinsecrets.org/ http://cryptograffiti.info/# https://www.coinprism.info/address/1BvvRfz4XnxSWJ524TusetYKr... https://blockchain.info/new-transactions
The currency aspect and the incentives for mining keep these transactions secure and make sure they're propagated to clients over the network.
There has never been any thing remotely like this kind of shared public space on the Internet. Blogs and RSS are private residences. Twitter and Facebook are giant private residences that many people interact within.
The Bitcoin blockchain is like a public park or sidewalk.
We've never seen anything like it before.