Pleased to see I’m far from alone in trying to avoid American products (This un-American life: can you really divest yourself of everything from the US?, 19 April). Mostly there are alternatives. There is no need to make your own cleaning products – for example, there are Bio-D and Faith in Nature. I have a Kobo e-reader and a Doro phone. A good source of alternatives is Ethical Consumer magazine.
Ruth Clancy
Whaley Bridge, Derbyshire
• For someone who sees nothing wrong in saying the US wants Greenland, no wonder Donald Trump thinks it is alright for Russia to have Crimea (Report, 24 April).
Helen Evans
Ruthin, Denbighshire
• At last, a great use for robots – running half-marathons so I don’t have to (Humanoid workers and surveillance buggies: ‘embodied AI’ is reshaping daily life in China, 21 April).
Toby Wood
Peterborough
• Terry Bates in London writes that his newspaper costs less than a cup of coffee (Letters, 20 April), and Pete Bibby in Sheffield that his costs less than a pint (22 April). I can buy a pint of bitter in my local pub for £1.79, or a coffee for £1.71. My paper of choice costs me more than either.
Polly Llwynfedwen
Brecon, Powys
• On the rise of extra time in school exams (Report, 23 April), as a teacher I’ve always wonder what provision employers make for employees who used to get extra time.
Kartar Uppal
Streetly, West Midlands
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