hivemind

noun3

1. •
   A collection of minds somehow linked or unified, possibly as if by telepathy.

   • It traces the growth of homo gestalt with the uniting of six lovely outcasts of society who have psi powers and come together as a hive mind, thus creating a gestalt super-being. — 2005
2. •
   (disapproving, figurative) A group of people who uncritically share beliefs, behave very similarly or mindlessly follow orders.

   • Lehman, AIG, Anglo-Irish, etc. were not cases of immortal hive-minds at work; they were cases of kleptocrats run wild. — 2010
3. •
   (figurative) Collective intelligence, especially when facilitated by communications technology.

   • The marvel of “hive mind” is that no one is in control, and yet an invisible hand governs, a hand that emerges from very dumb members. — 1992