An idea is not an innovation. MP3 players were nothing new when the iPod came out, but the iPod was the most innovative Apple product in years, which is saying a lot at a company like Apple. The iPod remains one of the most innovative consumer electronic devices on the market.
The iPod remains one of the most innovative consumer electronic devices on the market
It seems fairly straightforward to me, and not a major change from the Walkman of the late 1970s--a device that was actually innovative, but still fairly straightforward.