First, asking yourself if you did the right thing is silly, you made the best decision with the information you had at the time. To be honest, technology ebbs a

First, asking yourself if you did the right thing is silly, you made the best decision with the information you had at the time. To be honest, technology ebbs and flows. What's hot right now may not be hot in the future. I think the key skill is learning how to learn, so you can learn a new technology quickly. Also, don't just focus on technology, understanding how a business operates is just as important!