Etsy is a peer-to-peer e-commerce platform that focuses on handmade and unique items, offering both an online marketplace and offline store for better service. It has experienced significant growth, highlighted by a successful IPO in 2015 and substantial revenue increases, while also disrupting traditional marketplaces with its unique selling model. The company generates revenue through marketplace fees, seller services, and third-party processing fees, with a marketing strategy that engages and empowers a community of crafters.