His parentheses made you miss the rest of his sentence.
> Both arrived at these solutions at the same time because the wide availability of capacitive touchscreens (...) made such UIs an obvious next step to anyone paying attention to the field.
He was saying that capacitive was inspiration to both, not used by both.
> Both arrived at these solutions at the same time because the wide availability of capacitive touchscreens (...) made such UIs an obvious next step to anyone paying attention to the field.
He was saying that capacitive was inspiration to both, not used by both.