> If you're a senior developer still writing code every day, you have to keep up with that stuff. Can you give me an example of a task that I couldn't have don

> If you're a senior developer still writing code every day, you have to keep up with that stuff. Can you give me an example of a task that I couldn't have done with ten year old tech? Will it automatically be better because I am using this years chosen framework (or will it be more likely that there are unforeseen problems because of not using a mature technology).