XO Group, Inc. operates as a consumer Internet and media company. Its brands include The Knot, The Bump, The Nest and GigMasters. The company offer multiplatform media and marketplace services that enable its advertising and transaction partners to connect with its engaged audience in the wedding, pregnancy and parenting, nesting, and local entertainment markets. It reach audience through several platforms, including websites, mobile applications, magazines and books, television, and video. XO Group was founded by David Liu and Carley Roney in May 1996 and is headquartered in New York, NY.