A computer-implemented method performed in connection with a video comprising a plurality of video frames, the computer-implemented method being performed in a computerized system comprising a processing unit and a memory, the computer-implemented method involving: using the processing unit to detect a plurality of content components within at least one of the plurality of video frames; based on a video modification instruction received from a user, modifying at least one of the plurality of the detected content components; storing an information on the modified at least one of the plurality of the detected content components in the memory; using the central processing unit to overlay the modified at least one of the plurality of the detected content components over the video; and causing the video with the overlaid modified content component to be displayed to the user.