dr. alex lickerman, and welcome to the stream. >> hi, lisa, and thank you for having me. >> let's talk about human nature, what is it about us, as humans that makes us seek advice from others? >> so many things. studies about all of the biases we have that drive us to ask other people for their advice and opinions. and so i'll just mention two, off the top of my head, the propensity we have to ask crowds for their opinions and follow their advice. we have a task or a question in front of us that we don't know exactly how to answer. we have direct access to our own biases, weaknesses and downtowns, and we are in a sense ignorant of the answer and predisposed to not trust our own judgment. and we don't have access to the doubts and the foibles of people that we might ask. so they appear to be more knowledgeable than us. to have truth with a capital t. and so we're automatically more predisposed because of our own weakens and biases to believe other people, and their judgments and answers over ours. and the second, i think, is that if you consider sort of the wisdom of the crowd, the crowd itse