Android (operating system) and rival Linux mobile operating systems that were in development. These established players were skeptical: Nokia was quoted as saying "we don't see this as a threat," and a member of Microsoft's Windows Mobile team stated "I don't understand the impact that they are going to have." Since then Android has grown to become the most widely used smartphone operating system and "one of the fastest mobile experiences available". Reviewers have highlighted the open-source nature of the operating system as one of its defining strengths, allowing companies such as Nokia (Nokia X family), Amazon (Kindle Fire), Barnes & Noble (Nook),
Market share liability mostly rejected because the strict requirements of applying market share liability. Courts have declined to expand the market-share approach to asbestos ("Becker v. Baron Bros."), handguns ("Hamilton v. Beretta"), and lead paint ("Santiago v. Sherwin Williams Co."). The market-share approach has been expanded to cases involving MTBE in the New York case "In re Methyl Tertiary Butyl Ether". Market share liability Market share liability is a legal doctrine that allows a plaintiff to establish a prima facie case against a group of product manufacturers for an injury caused by a product, even when the plaintiff does not know from which