Macworld:

With the new 12-inch MacBook, Apple has gone all in for all-in-one, using USB-C to provide power, display output, and USB connections. Thunderbolt is gone. The SD card slot is gone as well.

The upside is compatibility, and thus lower costs and more options. USB-C is also a unifying and universal standard that doesn’t involve a single company acting as a licensing gatekeeper, the way Apple protects Lightning cables and adapters. USB-C would seem to have a lot to offer, but first we have to get over the hump of newness.

Typical story of “short term pain for long term gain” but it means I don’t see this particular machine as my next laptop.