All devices have mass customization. Remember the good old days when a phone was just for calling people? Remember when game consoles and handhelds were for precisely games? Not so anymore. In a more contemporary (and/or futuristic) setting where folks have high expectations in terms of technology, any device that doesn't have multiple functions beyond its initial one is better of being classed off as Crapola Tech even when it genuinely does work. The general logic of the "jack of all trades" convenience being superior to the specialized frequently plays a part in this. And on certain occasions, Spy Fiction will feature technology of this caliber, particularly in the form of weaponized vehicles. A common joke related to this is that the machine is so complicated, people can't figure out ho