Completar Frases 7-20-ted-2Versión en línea 7-20-ted-2 por pamela lam 1 advance read century argue themselves century delivered throw advertising called technology turn design use anything physical audience Book covers started to come into in the early nineteenth , and they were dust wrappers . They usually had on them . So people would take them off and them away . It wasn't until the of the nineteenth into the twentieth that book jackets could be seen as interesting in and of . Such that I look at that and I think , " I want to that . That interests me . " 01 : 47 The book itself represents both a technological but also a piece of in and of itself . It a user interface that was unlike that people had before . And you could that it's still the best way to deliver that to an .