Everything you need to understand or teach Waldo by Robert A. Heinlein.
While Heinlein utilizes his favorite themes in this piece (self-reliance and independence), his warning about hidden dangers in new technology seems somewhat unusual. Heinlein, and the other authors of the "Golden Age" of science fiction (notably Arthur C. Clarke and Isaac Asimov), generally glorify technology as a kind of savior of the human race. However, in several of the main characters, Heinlein reiterates his insistence on the independence of the individual. Waldo tries...