Multi-user content presentation system

A system comprising:

• at least one processor;
• and
• at least one non-transitory computer readable storage medium storing instructions thereon that, when executed by the at least one processor, cause the system to:
• provide, to a user via a client device, a presentation feed comprising a plurality of content presentations, each of the content presentations of the plurality of content presentations comprising one or more user-generated content items;
• receive a first content item and a second content item to append to content presentations of the plurality of content presentations;
• provide, within the presentation feed and based on appending the first content item and the second content item to the content presentations of the plurality of content presentations, an interactive notification element comprising a visual indication indicating the first appended content item and the second appended content item;
• navigate, in response to a first user interaction with the interactive notification element, to the first appended content item;
• update, based on navigating to the first appended content item, the visual indication of the interactive notification element to no longer indicate the first appended content item;
• navigate, in response to a second user interaction with the interactive notification element, to the second appended content item;
• and
• update, based on navigating to the second appended content item, the visual indication of the interactive notification element to no longer indicate the second appended content item.

A non-transitory computer readable medium storing instructions thereon that, when executed by at least one processor, cause a computer system to:

• provide, to a user via a client device, a presentation feed comprising a plurality of content presentations, each of the content presentations of the plurality of content presentations comprising one or more user-generated content items;
• receive a first content item and a second content item to append to content presentations of the plurality of content presentations;
• provide, within the presentation feed and based on appending the first content item and the second content item to the content presentations of the plurality of content presentations, an interactive notification element comprising a visual indication indicating the first appended content item and the second appended content item;
• navigate, in response to a first user interaction with the interactive notification element, to the first appended content item;
• update, based on navigating to the first appended content item, the visual indication of the interactive notification element to no longer indicate the first appended content item;
• navigate, in response to a second user interaction with the interactive notification element, to the second appended content item;
• and
• update, based on navigating to the second appended content item, the visual indication of the interactive notification element to no longer indicate the second appended content item.