Methods, systems, and apparatuses are provided that are configured to: display, at a first node, at least one first interface with a first user interface element and a second user interface element; display, at the first node, at least one second interface; generate a first message; display, at the second node, at least one third interface; generate a second message that does not include a file attachment with the second message; display, at the first node, at least one fourth interface with a reference to at least one file; and allow access, at the first node, to the at least one file.