In “Lo and Behold,” Herzog examines good, evil and the Internet

Three stars. Unrated. 98 minutes.
Werner Herzog has explored the known world from the Amazon and Antarctica to the prehistoric cave of Chauvet. It seems only fitting that he would set his restless, perpetually questioning sights on the Internet, the ether where we spend increasingly more of our lives, at their most public and most intensely secret.
Herzog’s documentary “Lo and Behold: Reveries on a Connected World” is just what its title promises: A series of ruminations, each