in prague a lot of tourists don't pay. I think sometimes its because they dont care and sometimes because it is inconvinient / they dont know how etc. Also the

in prague a lot of tourists don't pay. I think sometimes its because they dont care and sometimes because it is inconvinient / they dont know how etc. Also the paper tickets have an expiry so it is easy to forgot about that. Making paying as convinient as possible is imho the best way to increase revenue from public transportation...