Without getting into a whole thing about automating away peoples' jobs, buying pre-packaged sandwiches from a machine is a technical challenge that I believe wa

Without getting into a whole thing about automating away peoples' jobs, buying pre-packaged sandwiches from a machine is a technical challenge that I believe was solved in the 19th century and there was a little automat fad surrounding it. Certainly it's how I buy lunch on many a day when I don't want to have to deal with social interaction.