In one Adobe MAX, Adobe has announced the project ‘Cocomo‘. Cocomo is a PaaS-Platform as Service. Compared with SaaS – Software as Service, Cocomo not face to the end user but the developer. Accurately, is the Flex/Flash developer. Cocomo include two parts, one is client application frame another is the Cocomo Service in host. By using of Cocomo, Flex developer could easily create new or add multi-user real-timely. Most important is the developer needn’t worry about building the service. Cocomo Service is deployed, maintained and expansed by Acrobat.com. Then many independent client developer or client develop teams may built real-time applications under the help of Cocomo.