Really cool. The iPhone replaces the touchpad since it already has a great touchscreen. The MacBook can be much more affordable because it doesn't need CPU/GPU/

Really cool. The iPhone replaces the touchpad since it already has a great touchscreen. The MacBook can be much more affordable because it doesn't need CPU/GPU/memory/wifi/bluetooth anymore (assuming if it uses a wired connection to communicate with the MacBook). There is also an iPad / MacBook hybrid listed on later pages. Apple didn't go this route but the new iPad keyboard https://www.apple.com/shop/product/MXQU2LL/A/magic-keyboard-for-ipad-pro-129%E2%80%91inch-4th-generation-us-english https://www.apple.com/shop/product/MXQU2LL/A/magic-keyboard-... is heavier and more complex than ever before.