Abstract: A messaging service method and apparatus are disclosed. A method of operating an instant messaging server, according to an embodiment, may include sending, through a chat room, a message on which display of content is restricted based on settings of a restricted view condition for the message. The method may include receiving a request to view the message from a terminal of a participant in the chat room. The method may include activating the display of the content of the message on the terminal of the participant, based on whether the participant satisfies the restricted view condition.

Abstract: A messaging service method and apparatus are disclosed. A method of operating a terminal executing an instant messenger according to an embodiment is disclosed. The method may include obtaining information about a time zone of a sending target of a scheduled message. The method may include setting a sending time of the scheduled message based on the information about the time zone of the sending target. The method may include requesting registration of a record about the scheduled message in response to a user account.

Abstract: Proposed is a method for providing a function based on a movement of a user terminal. The method may include detecting a movement of the user terminal, and in response to the detected movement being a preset movement, confirming current location information of the user terminal. The method may also include identifying at least one function to be shown on a screen of the user terminal, wherein the at least one function is determined based on whether the current location information is associated with user information of the user terminal. The method may further include displaying a user interface corresponding to one of the at least one identified function on the screen of the user terminal.

Abstract: A method and system of inspecting advertising contents of a keyword advertisement is provided. The method includes: crawling a Universal Resource Locator (URL) registered by an advertiser and extracting a URL keyword related to an advertisement site of the advertiser; extracting a target keyword from a plurality of advertisement information being registered in relation to the URL; and determining further inspection-required advertisement information through keyword comparison between the extracted URL keyword and the target keyword, the further inspection-required advertisement information having low relevance to the advertisement site.

Abstract: An advertising system and method for providing a benefit to an advertiser offering cash back rewards for a transaction with a user is provided. The advertising system may include an advertisement registration information receiving unit configured to receive advertisement registration information of an advertisement, a benefit condition verifying unit configured to verify whether the advertisement meets a determined advertiser benefit condition based on the advertisement registration information, and a benefit providing unit configured to provide an advertiser benefit when the advertisement meets the advertiser benefit condition.

Abstract: A method and system for automatically recharging an advertising fee are provided. The method includes managing payment information related to the advertising fee, the payment information to suspend an advertisement exposure service based on a balance of the advertising fee for a first time period and to perform automatic recharging of the advertising fee for a second time period which is shorter than the first time period; automatically recharging the advertising fee by the second time period according to the payment information; and notifying a result of the automatic recharging.

Abstract: A method and system of inspecting advertising contents of a keyword advertisement is provided. The method includes: crawling a Universal Resource Locator (URL) registered by an advertiser and extracting a URL keyword related to an advertisement site of the advertiser; extracting a target keyword from a plurality of advertisement information being registered in relation to the URL; and determining further inspection-required advertisement information through keyword comparison between the extracted URL keyword and the target keyword, the further inspection-required advertisement information having low relevance to the advertisement site.