WhatsApp, Doc?

This week's patch of sky

Fun on the Stack

Setting up this new Substack thread, I thought I should at least let my contacts on WhatsApp know what I was up to. So I reckoned if I created a mailing list of WhatsApp addresses, appropriately named John's List, it would be a useful precursor to a WhatsApp mail out!

Digital panic

But almost as soon as I added names to my list I began to…