This is the next step. at least in crazy rain climates like London. Trust me. Our heads will grow to be shaped like umbrellas and protect us from the rain.
Fact.
Except, we'll all bash into each other still, like pushy people in the city. Listen up all you pushy umbrella people. I'm taller than you! Mind your spikey umbrella ends! Without my specs you'd have my eyes! I need them for drawing... and watching trash TV...