Shoppers with a bargain-hunting impulse and internet access can find a universe of products at their fingertips. This thought-provoking expose invites us to explore how sophisticated algorithms and data-crunching are changing the nature of market competition, and not always for the better. Introducing into the policy lexicon the terms algorithmic collusion, behavioral discrimination, and super-platforms, Virtual Competition explores the resulting impact on competition, our democratic ideals, our wallets, and our well-being.