So you can just drive a screw directly – no need to drill.
Have bricks that have pre-installed plugs built-in. You can have an instrument sensing and showing you where exactly the plugs are in the wall and just drive the screw in and hang the picture or shelve.
Plug in more devices in a smaller and more efficient space.
Each plug should also be a socket for the next plug. This way you could stack multiple plugs into one wall socket.