hive mind

noun

1. the property of apparent sentience in a colony of social insects acting as a single organism, each insect performing a specific role for the good of the group.
2. Psychology, Sociology.
   1. a collective consciousness, analogous to the behavior of social insects, in which a group of people become aware of their commonality and think and act as a community, sharing their knowledge, thoughts, and resources: the global hive mind that has emerged with sites like Twitter and Facebook.
   2. such a group mentality characterized by uncritical conformity and loss of a sense of individuality and personal accountability.