This seems to be a re-occuring pattern: have ads on a free/cheap service, introduce a paid service, place ads on the paid service, then hope if you hold out lon

This seems to be a re-occuring pattern: have ads on a free/cheap service, introduce a paid service, place ads on the paid service, then hope if you hold out long enough people will forget there was a time when your paid service was ad free. Prime example: Cable tv https://www.nytimes.com/1981/07/26/arts/will-cable-tv-be-invaded-by-commercials.html https://www.nytimes.com/1981/07/26/arts/will-cable-tv-be-inv...