The booking experience was OK but very stressful for me. As an older person I don't use my phone for anything other than texts and calls. I think your insistence on only having electronic ticketing was prejudicial to older people who made up most of the audience. I can't see what was wrong with printable tickets and bar codes. The other downside of using phones seems to me to be the naive belief that with hundreds of phones in the audience they will all be turned off in time for the performance.
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