2-3 years? It's useful now. I'm not just saying that as a techie, other people I know are using it on their own. If this is the trough, be prepared for a slope

2-3 years? It's useful now. I'm not just saying that as a techie, other people I know are using it on their own. If this is the trough, be prepared for a slope of usefulness that dwarfs the peak of excitement.