english: In the case of Ticketmaster, the reason you have to type these characters is to prevent scalpers from writing a program that can buy millions of tickets, two at a time.
non_english: Napríklad, stránka Ticketmaster používa zdeformované znaky ako ochranu pred priekupníkmi, ktorí by pomocou softvéru mohli kúpiť milióny lístkov, vždy po dvoch kusoch.