[hotwire]

- You can identify trends and patterns in your traffic

- You can figure out where in the world your traffic is coming from

- It can be helpful in responding to security incidents

[jimktrains2]

- arbitrary user, session and request IDs

- this can be done and then discard the address

- how so? What does knowing the address months later help? Something like fail2ban and other automated systems, sure, but long term logging?