Bob Shaw's "A Full Member of the Club" (novelette, free): Great gadgets whose side effect is to make you avoid most people!
His attempts at patch up later will make him notice more such gadgets. His curiosity to know more about them will lead him to...
Fact sheet.First published: Galaxy, July 1974.
Download full text from Lexal.
Among the classics of SCI FICTION edited by Ellen Datlow.
Related: Stories of Bob Shaw.