In one aspect, a method includes a first computing-system (i) selecting a social media (SM) content item associated with a second computing-system, (ii) based on the selected SM content item, determining a SM-platform user-profile identifier associated with the selected SM content item, (iii) using the identifier to determine that the second computing-system has installed, in its data storage unit, an application associated with the first computing-system, (iv) responsive to determining that the second computing-system has installed the application, transmitting, to the second computing-system, an instruction that causes the application to provide, via a user interface of the second computing-system, a permission request concerning use of the selected SM content item, (v) determining that the requested permission was received via the user interface, and (vi) responsive to determining that the requested permission was received via the user interface, facilitating integration of the selected SM content item int
