There's part of world where you have to wait for 20ish minutes to watch 10 minute YouTube video. Haven't you heard about buffering? And speaking of physical media, they're the only option when you screw up machine so badly that bootloader and BIOS need to be played with.

The whole point of buying the old MacBook Pro for my daughter was to avoid the issues mentioned above. Using an external DVD drive defeated the purpose of having an all-in-one portable computing solution. The other "solutions" are not solutions unless you have the external DVD drive.

Hee hee! When the net goes down and the cloud storage services die I'll just pop in one of those antiquated CD's and rock on!