I have a crazy amount of different jobs so the way I manage that is to not do more than one at a time. It's like old computers that had small memory chips they would do something called swapping where they would fill the memory with one task do it and get it out.
Yet in this global economy no jobs are safe. High-speed Internet connections and low-cost skilled labor overseas are an explosive combination.
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You have to wait for people to program you. The only difference is the amount of people that you're going to reach but that's going to even out in the next two or three years anyway. Computers are being bought faster than televisions right now.