I've been using (and carting) a Thunderbolt to Ethernet adapter since I bought my first Retina in 2012 and it's really not all that bad. If you're constantly us

I've been using (and carting) a Thunderbolt to Ethernet adapter since I bought my first Retina in 2012 and it's really not all that bad. If you're constantly using it daily then carrying it around isn't a huge ask.