Mark Polson: The products already exist, now let's guide retirees

I've been learning about photography a bit recently, which is nice for me I suppose. Anyway, whenever I try something new, like photography or fatherhood, one of the things I like is finding out about the language of whatever it is I'm learning. One of my favourite photography terms is ‘bokeh'. It's a funny word, which sounds a bit like the Scots word ‘boak', which you can look up. What it means is the pleasantly fuzzy parts of a photo, usually in the background when you have something in focus in the foreground. When you're good at taking photos, which I'm not, you can control whe...