Get the media URL of a page's most recently played audio/video (and then do something with it).
- (2020-09-30) MYTHICAL CURT: no longer works
- (2018-05-17) Jannick Berghügner: The extension doesn't work!
- (2018-01-02) Sod Almighty: Does not work
- (2017-06-17) Ram Jano: لطيزي
- (2017-04-02) Irene Fabiana: adoreiiii
- (2017-02-27) Nhlanhla Sanele Sithole: i love