The Veldt Trivia
Bradbury used the automated house in several other stories, such as in "There Will Come Soft Rains" (in The Martian Chronicles), where the house is really the only character; and in "The Murderer," where a man destroys his gadgets to gain some peace and quiet. Oh, if only George had read that one.
Bradbury didn't love television (see Fahrenheit 451 for more TV-hate), but in the 1950s, he had a family to support so he sold some stories to TV producers. But he didn't own a TV, so he couldn't see his own shows. (Source.)
Another story from the collection The Illustrated Man inspired a famous Elton John song: "Rocket Man."
Bradbury wrote the first draft of "The Veldt" in just two hours. Man, if only we could write our English papers that fast. (Source.)