The provided texts offer a comprehensive account of Juul Labs, Inc., an American e-cigarette company. The first source, a Wikipedia article, details Juul's history, from its founding to its current legal battles and market share decline. The second source, a briefing document, summarizes the Wikipedia article, highlighting key themes such as Juul's rapid rise and fall, its contribution to the youth vaping epidemic, its controversial marketing, and its ongoing regulatory and legal challenges. Both sources emphasize Juul's high nicotine content and its impact on public health.