Uber Acquires Postmates after GrubHub Acquisition Is Blocked by Antitrust Laws Uber announced the acquisition of food-delivery rival Postmates for $2.65 billion. Uber’s original plan to acquire GrubHub ultimately fell apart on antitrust concerns https://t.co/39cy01YyKf pic.twitter.com/H7m6xafs6b— Reuters (@Reuters) July 7, 2020