The cloud (Cloud Computing) is based on the increase in Internet related services, and delivery model, usually involves providing a dynamically scalable and often virtualized resources through the Internet. Cloud computing and data is one of the important development directions of the future computer technology, learn cloud computing or data processing related knowledge will be for your future work and interviews provide very good foundation, at the same time, proficient in cloud computing or data processing of wage level is very high. Love cool learning network included on the cloud computing and big data processing of the relevant system tutorial, including the Openstack video tutorials, Hadoop video tutorials and Spark video tutorials. There is not a unified definition of OA and workflow engine, but the office automation is their development direction, generally speaking, the workflow and OA are all together! Cool love learning network also included about OA and workflow related to video tutorials, if of workflow and OA office automation interested can try the interest of children's shoes.