Milestone.
One of the signs of hyperinflation is when people start discarding their slips of paper for solid goods they don't immediately need. It's still in the half-humor stage, but NPR (!) just had an piece on that very subject. How A Trip To Costco Can Work As An Investment Strategy. Spurred by none other than billionaire Mark Cuban.
Meanwhile, a similar story is playing out - to a much more advanced stage - in Diablo 3.
Weimaresque Hyperinflation Is Ravaging One Of The World’s Most Popular Video Games
That's particularly interesting because they explicitly included dollar-gold convertibility when they introduced the game. Of course, they didn't make it completely liquid, which means that 3rd party gold sellers can still undercut them. Combined with Chinese gold farmers, and poorly-designed money sinks, it's a recipe for disaster.