Abstract: A method is performed by a user device. The method includes participating in a chatroom created through an instant messaging application managed by a messaging management server, displaying, on the chatroom, an instant message including information related to a content input from another user device participating in the chatroom, receiving an action of interest in the related information of the displayed instant message, displaying the content corresponding to the related information in which the action of interest has been received, returning to the chatroom from the displayed content, and displaying, on the chatroom, at least one recommended content related to the content.

Abstract: A method is performed by a user device. The method includes participating in a chatroom created through an instant messaging application managed by a messaging management server, displaying, on the chatroom, an instant message including information related to a content input from another user device participating in the chatroom, receiving an action of interest in the related information of the displayed instant message, displaying the content corresponding to the related information in which the action of interest has been received, returning to the chatroom from the displayed content, and displaying, on the chatroom, at least one recommended content related to the content.

Abstract: A apparatus for sharing booking information may provide a user interface (UI) for sharing booking information, receive an input of booking information corresponding to at least one of items specifying an entirety of booking information through the UI, receive a sharing request for sharing at least one portion of the entirety of booking information through the UI, identify at least one item corresponding to booking information input until a current point in time among the items in response to the sharing request, generate a booking information sharing message including first booking information corresponding to the identified at least one item and enabling an input of second booking information corresponding to at least one other item among the items which is distinguishable from the identified at least one item, and transmit the booking information sharing message to at least one receiver terminal through a messenger.

Abstract: An apparatus that provides a feedback effect regarding on a social network service includes a post generation unit configured to receive a post that has a tag associated with a feedback effect from a user device and post the post on the social network service, a feedback collection unit configured to collect feedback in response to the post from another user device that accesses the post, and an effect providing unit configured to apply a predetermined feedback effect corresponding to the tag included in the post according to predetermined condition, wherein the predetermined feedback effect is selected from among multiple feedback effects preset for one or more of tags, and the predetermined condition includes at least one of a type of the feedback and a quantity of the feedback.

Abstract: A apparatus for sharing booking information may provide a user interface (UI) for sharing booking information, receive an input of booking information corresponding to at least one of items specifying an entirety of booking information through the UI, receive a sharing request for sharing at least one portion of the entirety of booking information through the UI, identify at least one item corresponding to booking information input until a current point in time among the items in response to the sharing request, generate a booking information sharing message including first booking information corresponding to the identified at least one item and enabling an input of second booking information corresponding to at least one other item among the items which is distinguishable from the identified at least one item, and transmit the booking information sharing message to at least one receiver terminal through a messenger.

Abstract: An apparatus that provides a feedback effect regarding on a social network service includes a post generation unit configured to receive a post that has a tag associated with a feedback effect from a user device and post the post on the social network service, a feedback collection unit configured to collect feedback in response to the post from another user device that accesses the post, and an effect providing unit configured to apply a predetermined feedback effect corresponding to the tag included in the post according to predetermined condition, wherein the predetermined feedback effect is selected from among multiple feedback effects preset for one or more of tags, and the predetermined condition includes at least one of a type of the feedback and a quantity of the feedback.