“Everyone’s a critic,” the saying goes. And more and more, that’s becoming less a figure of speech and more a statement of fact. In the age of Yelp, customer reviews and carefully curated blogs, do professional critics matter anymore? If the lines are blurring between customer reviews and professional criticism, what are we losing? David Hyde talks to professional critic Daniel Mendelsohn, freelance critic Douglas Wolk, and Jim DeRogatis from public radio program Sound Opinions about the importance of critics in the age of crowdsourcing.