Build centralized place for storage and distribution of user' social activity.
Application provides a set of services for partner communities, like synchronization of data between different communities. Security is based on OAuth. Main point of this service is that all changes of user's data on one of the services (communities) he use will reflect in same changes on other applications he use. Core service is synchronization of friendship accounts, contacts, messaging on different applications. Architecture was designed to hold one millions of requests in order to be able to synchronize activity of big set of users from popular services (like facebook, twitter etc.)