As access to the internet makes many of us feel cleverer, more connected, more omniscient, more infallible, it’s tempting to write off all the people “left behind”.All those little unthinking people without university degrees who shape our nails, or clean our houses, or mend our toilets, or rewire our kitchens, and can’t even spell a president’s name without messing it up.But the fact is, they might not know where Ukraine is, and they might not know why Germany doesn’t favour sanctions against Russia, but when the lights go out in your house, they know where the fuse box is and which wires to fiddle with to mend it. And right at that moment that’s a damn sight less stupid than you