Take a look at the smartphone and tablet markets and tell me with a straight face that Apple did not turn them upside down. I don't care who was first to enter a market, I just care for the first one to get it right.
Tell me with a straight face that phones would not currently have multi-touch capacitive touchscreens if the iPhone never came out.
Tell me with a straight face that mp3 players would never have taken off without the ipod.
Apple have had a big impact on the market, but most of the time they just release products at a time that the market is changing anyway and then claim to have "invented" all the technology that goes into it.