CONTENT FEED USER INTERFACE WITH GALLERY DISPLAY OF SAME-TYPE ITEMS

Additional content items that satisfy predefined criteria with respect to a user-selected content item are identified. The predefined criteria may be that the selected and additional content items have particular characteristics that are the same. Information corresponding to the selected and identified content items is presented to a user. Characteristics based on which additional content items may be identified may include data type, source, and absence of content. The information may be presented in a gallery view, which can be a thumbnails gallery for images or a playlist for digital audio or video.