I think the argument that dumb phones are a huge growth market in the developing world is flawed. It's staggaring how many people have dumbphones already. I sus

I think the argument that dumb phones are a huge growth market in the developing world is flawed. It's staggaring how many people have dumbphones already. I suspect the dumber of dumbphones in use will never double again. Smartphones still have headroom to grow 10 or 20x.