Analyzing the intersection of privacy and antitrust law as applied to mergers of technology firms. When firms in this sector merge, it can lead to a substantial increase in the scope and magnitude of consumer data under the control of a single firm. Some regulators and privacy advocates have expressed concern that the aggregated data of the combined entity, when subjected to increasingly powerful “big data” analytic tools, will yield especially revealing pictures of consumers, making data breaches more consequential, and raising the risk that data will be used in ways that will disadvantage consumers.