I'll be writing a basic Elm app that follows zaps around the network, as a way to validate the thinking in [this post](https://habla.news/a/naddr1qvzqqqr4gupzqyhjp3nd83hxklumz9elp6gmth2zrhr804hrcrktpmplygwtw4jjqqxnzde38q6rwwph8qcrvdpjwz7qav). How do I think about how many relays to connect to? Is one enough? More? How do I choose?