I bought an iPad Pro, too. And I downloaded the Procreate app. And I bought an Apple Pencil. And I used all of these things to do some drawings that looked like I'd done them with a sheet of paper and a cheap pencil anyway. What a sound investment. Next on my shopping list - pre-grated cheese and some electronic socks.
Here are some passengers from the past week, drawn at (from the top) Kings Cross, Finsbury Park, Finchley Central, Blackhorse Road, Waterloo and Green Park tube stations.