(no subject)
“And all learners benefit from focused attention, active engagement, error feedback, and a cycle of daily rehearsal and nightly consolidation—I call these factors the “four pillars” of learning, because, as we shall see, they lie at the foundation of the universal human learning algorithm present in all our brains, children and adults alike.”
--- Stanislas Dehaene. “How We Learn.”
Social networking is an extremely effective learning method for humans. Although, one can efficiently learn the wrong content through error reinforcement, rather than correction (e.g. the Danning Kruger effect).