Six Apart Advertising

Six Apart was a company that provided web publishing software and services, including a popular blogging platform called Movable Type. They also offered advertising services for their platform users, allowing them to monetize their blogs. Six Apart was acquired by Automattic in 2014, the company behind WordPress.com. Automattic continued to provide advertising services for Movable Type users, but ultimately discontinued the service in 2017.

Website: https://en.wikipedia.org/wiki/Six_Apart