I’ve just had a very traumatic experience doing an online Marks and Spencer's shop. Well, not traumatic in the grand scheme of what’s currently happening on the planet, but traumatic in my small world given I’ve otherwise had a very nice day. Back to M&S. My mum kindly gave me an M&S gift card for my birthday which was almost four months ago now. It’s been sitting and staring at me ever since and today I thought, ‘Just spend it!’ Now, I had a traumatic experience in Boots the Chemist yesterday when, to my horror, my usual body moisturiser - Soap and Glory - was £9.99 a pot BUT if I had a Boots Advantage card, it would be £6.67. This is part of a growing trend in British shops where large discounts are offered to the consumer as long as they sign up to a data theft card, sorry, I mean, customer loyalty card. And because I am becoming belligerent and non-conformist as I approach my elder years, I now refuse to play this data harvesting game. I also think it is grossly...