Telexes replaced by faxes (1980-1990) and faxes are used less | Phonographic cylinders | Compact cassettes | Compact discs (1980-2000) |
VHS (DVD) (2000-2010) | Gramophone recording | Photography | Cinematography |
Television/radio | Analog mobile 1G to 4G (*) | Digital television (2020-2030) and radio | Tablet computers and tablets (2015) |
Smart phones (2015); a class of mobile phones and multi-purpose mobile computing devices | Cell phones: 2.5 m (1990); 1.5b (2002); 4b (2010); more than 7.95b globally (2019), of which 2.9b in China & India | Digital record-keeping | Internet users: 2.8 m (1990); 631 m (2002); 1.8b (2010) |