Lg Electronics Inc.

Dukehee Lee

Younsung Chu

Gak Yang

Youngseob Son

The present invention relates to a content update method, comprising the steps of: receiving, by a terminal, a specific-formatted data from a server, the specific-formatted data including a container and a variable information box, wherein the container includes a header, the variable information box includes a new advertisement content, the header includes a field which contains information on first advertisement content, and the field indicates that the new advertisement content is used for updating the first advertisement content; checking whether the terminal includes information matched with the information on the first advertisement content, wherein the first advertisement content is included in the specific-formatted data together with a non-advertisement content; and if a matching information is found as a result of the check, replacing the first advertisement content within the specific formatted data with the new advertisement content.

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Gunpo-si, South Korea

Dukehee Lee