[Ashanmaril]

> And what happens after 10 years when new UI trends become popular and we need new ui elements?

Design trends change, but the basic components that make up form elements have remained the same. We still have buttons, text fields, check boxes, radio buttons, etc. Those aren't going anywhere.

[Macha]

Well, depends on if your consider a slider a check box and a sequence of rows of which one is highlighted a radio button.