[snowwrestler]

If everything is apps in the future then "front end" technologies may be compiled native code like Objective C or Java or even Python.

If your computer only uses voice, the "front end" technology stack is very different from what we have today for websites.

If government and market forces cause the web industry to stagnate over time (see: net neutrality, pervasive privacy concerns), then the hot industry of the future might be something totally different.