iPhone used capacitive touchscreen whereas the competitors used resistive touchscreens in their smartphones, which instantly added more usability to iPhone comp

iPhone used capacitive touchscreen whereas the competitors used resistive touchscreens in their smartphones, which instantly added more usability to iPhone compared to Nokia N95/97 that was already a fully featured pocket computer in mobile case and likely much more powerful than the original iPhone. Apple did the dirty logistics trick on other smartphone manufacturers by buying all production of capacitive touchscreen factories and similar key components 3 years ahead, leaving other phone manufacturers unable to respond.