Remember that Star Trek episode where Captain Kirk has to free some aliens on a planet controlled by an all-powerful, omniscient computer? And those aliens have these tiny antenna on their necks that allow them to be networked with that computer, Vaal, essentially making them physical instruments for it to conduct whatever activities necessary for a planetary makeover suited to his specifications. That's Transcendence in a nutshell, only with even more hokey, far-fetched ideas thrown in to complicate the simplistic story a bit.
