For me, the hard part isn’t driving on the “wrong” side of the road. You pick that up pretty quickly. You need to think a bit more when turning, but it’s not so hard. For me the harder part is driving from the “wrong” side of the car. I may have almost mounted a curb or two because I forgot where I was in the lane.
The XKCD one is interesting, but seems to be missing the transfer to/from the storage medium sent by FedEx.
If I want to move data from my computer to yours over the internet, the internet bandwidth between our devices/networks is the main consideration. If I’m FedExing SD cards or HDDs, I’ve also gotta take into account the transfer times to get the data ONTO those devices.
I wonder how the analysis would fair when taking into account: