Very interesting, this could be powerful. Things like git hashes and the bitcoin blockchain are already giving us pieces that head in this direction. One thin

Very interesting, this could be powerful. Things like git hashes and the bitcoin blockchain are already giving us pieces that head in this direction. One thing I would not like to see would be total lockdown of the worldwide body of documents, where every digital creation is perfectly and irrefutably tagged and tracked back to its creator and on every step along the way. I'm not sure what all the bad consequences of this could be, but it doesn't give me a warm and fuzzy feeling.