Some bicycle enthusiasts view the economic downturn as a good way to turn people on to the benefits of bike riding. Wallet Pop has a good example with this piece on low cost bike transport - Bike like it's 1929 with end-of-the-economy bicycle gear tips.
Now that it's official, and all, that we're in a recession, it's even smarter to sell all your earthly gas-guzzling possessions and buy bikes. Many proponents of Peak Oil, and even generally conservative folks who are becoming decidedly alarmist, are predicting enormous increases in gas prices sometime in the next decade. Bike folk hope it will happen sooner.