To get it this thin, they had to remove the articulated touchpad that you’ve gotten used to using—allegedly that’s fine though, as they’ve developed an entirely new technology that digitally simulates the feel of a clickable trackpad. Early reports indicate that it’s a bit awkward to use, but I’ve got my hopes up.
12-inch retina screen
Pretty self explanatory. It’s the smallest, densest display that they’ve ever shoehorned into a laptop. This is a good thing.
A bunch of techy terms are being used to describe this, but all that matters is that it’s full-sized and supposedly able to mimic the key feel of current full-size MacBooks.