Weight Watchers International, Inc. provides weight management services worldwide. The company operates through North America, United Kingdom, Continental Europe, and Other segments. It offers a range of products and services comprising nutritional, exercise, and behavioral tools and approaches. The company also provides various products, including bars, snacks, cookbooks, food, and restaurant guides with PointsPlus values, Weight Watchers magazines, PointsPlus calculators, and fitness kits, as well as ActiveLink products. In addition, it offers online subscription weight management products, such as Weight Watchers Online that offers online and mobile content, functionality, resources, and interactive Web-based weight management plans; and Weight Watchers eTools, an Internet weight management product, which allows users to manage the day-to-day aspects of weight management plans online or via their mobile devices. Further, the company provides applications for mobile devices, including the iPhone, iPad, and Android devices; and third-party products, including Fitbit. Weight Watchers International, Inc. was founded in 1961 and is headquartered in New York, New York.