Seaside sales work in Batumi, Georgia. Photograph: salarko/AlamyWhy do Visa, Mastercard and so on advertise to consumers? As far as I know, the way in which bank payments are processed is immaterial to the account holder. In any case, you can’t choose – you get whichever one your bank decides. Tom Gretton, ExeterPost your answers (and new questions) below or send them to nq@theguardian.com.
