All across the globe, Snapchat users are posting their tributes to Muhammad Ali on a Snapchat live button named "Ali: The Greatest."
All across the globe, Snapchat users are posting their tributes to Muhammad Ali on a Snapchat live button named "Ali: The Greatest." The live button shows an outpouring of support from a variety of users like rappers Kanye West and Big Sean paying their respects onstage and Muslims praying in a mosque in honor of Ali.
