Can we observe firewalls or fuzzballs?

          @misc{ scivideos_PIRSA:17110081,
            doi = {10.48660/17110081},
            url = {https://pirsa.org/17110081},
            author = {Hampton, Shaun},
            keywords = {Quantum Gravity},
            language = {en},
            title = {Can we observe firewalls or fuzzballs?},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2017},
            month = {nov},
            note = {PIRSA:17110081 see, \url{https://scivideos.org/index.php/pirsa/17110081}}
          }