Infrastructure has been surprisingly important to a few innovations in the past: Edison didn't just invent a commercially viable light bulb... he also built the

Infrastructure has been surprisingly important to a few innovations in the past: Edison didn't just invent a commercially viable light bulb... he also built the power stations (which of course didn't exist before they were needed); Mr Birdseye didn't just freeze fish... he (actually the company that bought him out) established freezers in supermarkets (which of course didn't exist before they were needed).