Corollary to Paul Graham’s frighteningly ambitious startup ideas: a list of impossible ideas that interest me personally. ubiquitous, secure, painless (one-click) bitcoin payment ubiquitous, effortless, anonymous, encrypted communication painless, anonymous, decentralized internet access effortless expense/receipt management effortless information management / mind mapping Working on the impossible is like exercise: if you produce something half good then you have something better than any ...