We did a few walks, looked a lots of "old wares" as they call them, and ate too much yummy hand made food.
Having my phone point out when new mail arrived was probably a bad idea but it did spare me of anxiety about the rest of the world.
Interestingly I turned iPhone tethering on and a few seconds later the option disappeared! Presumably new settings got pushed out by Telstra. Further investigation is required but this could have been very distressing if I was relying on it for a presentation or something.