What technology is being used by the characters in Fahrenheit 451 that was not invented in 1951, when the book was published, or was not available in the form that it is described in the book? Basically, how do we know that this book is set in the future?

Explanation:

Fahrenheit 451 is a dystopian novel by American writer Ray Bradbury, first published in 1953. Often regarded as one of his best works,[4] the novel presents a future American society where books are outlawed and "firemen" burn any that are found.[5] The book's tagline explains the title as "'the temperature at which book paper catches fire, and burns": the autoignition temperature of paper. The lead character, Guy Montag, is a fireman who becomes disillusioned with his role of censoring literature and destroying knowledge, eventually quitting his job and committing himself to the preservation of literary and cultural writings.

d) she is both terrified and excited by the idea of returning to school.

a) she takes one day at a time.

d) she felt like she was an object of ridicule.

d) she tells her daughter not to worry about it because things will get better.\

b) elnora needs money for books and out-of-town tuition. she will raise the money herself.

yeah, i think its a good thing what do you think?