Here's a longer article by Thurston on the same ideas https://arxiv.org/abs/math/9404236 https://arxiv.org/abs/math/9404236. Highly recommend irrespective of ho

Here's a longer article by Thurston on the same ideas https://arxiv.org/abs/math/9404236 https://arxiv.org/abs/math/9404236. Highly recommend irrespective of how involved you are with mathematics.