iSocket, a privately owned US-based company founded in 2008, operated a technology platform facilitating the direct purchase and sale of premium, fixed-price advertising inventory. Employing approximately 10 people, the company aimed to improve efficiency in media sales by providing automation tools for both publishers and advertisers. iSocket generated less than $1 million in revenue in 2023 before being acquired by Rubicon Project, which subsequently merged with Telaria to form Magnite.