@Once is a full-service, permission-based email marketing company founded in 1998. Its clients include companies such as Art.com, First USA, Hollywood Video, Nintendo, Warner Bros., and other large online and offline brands.

@Once offers dynamic (personalized) email transmission, with rich media services that can deliver Flash and streaming email. Its customers get an eMessaging system; one-to-one personalized communication with their customers; fast, full-service campaign development and delivery; informed privacy practice review, consultation, and implementation; and personalized and responsive client service management.

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