Carat Interactive last week acquired Freestyle Interactive, a 30- person San Francisco independent that specializes in interactive design. Freestyle will be merged into the Aegis Group shop’s San Francisco office. COO Toby Gabriner and CEO Karim Sanjabi join Carat Interactive as evp, managing director and evp, creative and technology, respectively. They report to agency president Sarah Fay. Terms of the deal were not disclosed.