If customers do not have the option for Chromecast or Airplay, they can still watch your videos on their TV by directly connecting their laptop to the TV with an HDMI cable.
To connect a laptop to a TV with an HDMI cable:
-Locate the HDMI port on the laptop and the HDMI Port on the TV
-Connect one end of the HDMI cable to the laptop
-Connect the other end of the HDMI cable to the TV
-Using your TV remote, switch the Input to HDMI