Better than the Internet.
Cheese will replace the dollar as the world's currency standard by 2025. Invest heavily in cheeses that age well now. In a post-apocalyptic world, a block of parmesagn (sp) will be able to buy you a ferrari. You can also trade velveeta cubes or American slices for gas.
Trader Joes' Goat Milk Gouda offers a price to performance ratio that is hard to beat.