Not technically my own thoughts, but I needed to share this with you today. If you're actively into coffee industry news, you'll know that the large chain Pret recently increased the discount customers have off their cups of coffee if they bring in their own reusable cup. This is ahead of the 25p levy tax on paper cups which government wants to introduce (more on that another time, when my head isn't fuzzy after eating a handful of marshmallows - true story). This has lead to