US Patent 10498673 Device and method for providing user-customized content

A device and a method for providing user-customized content are provided. The method, performed by the device, of providing information regarding at least one primary chat window includes: acquiring a plurality of messages included in at least one primary chat window; determining that a specific event has occurred, based on the acquired plurality of messages; generating a secondary chat window for informing a user of the device about the occurred event; and displaying guidance information about the occurred event in the secondary chat window.