By Sharon Broughton (October 31, 2019) Hivemind: Thinking Alike in a Divided World, by Sarah Rose Cavanagh, PhD., Grand Central Publishing, September 3, 2019, 304 pp., $27.71 Have you witnessed the “invisible leash,” the channel of communication between a dog and his owner, manifested by mutual understanding and a deep and binding connection? In disaster, … [Read more...] about Hivemind: Building social connectedness in a social media world