I can't vouch for anyone else, but I've invested my time and energy in a few different business ideas, one of which might pan out, two of which haven't.<p>If you're doing that sort of thing, having liquid funds and cash is a hell of a lot more useful than pieces of paper that might suddenly go up in smoke when you need them.<p>I'm not claiming it is ideal, but it does explain some things.<p>Also, there's not really a compelling vision of the future to invest in right now, right? Everything's ruined forever, and getting worse--or so it seems.