Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Disappointing

Written in 1969, for a 1980 future world - the mild technological predications miss the mark, and the far-fetched ones still don't seem acheivable for hundred's of years (if ever).Annoying main characters... the only decent one gets turned into a slobbering (...), and then a bowl of mush for most the book.The biggest saving graces are the description of the Macroscope technology itself, and the idea of a Galactic communication network.