The Opening Ceremony of the Tokyo 2020 Olympic Games got social media talking. A highlight was a group of performers acting out shapes. They became known as the 'pictogram sequence'. Pictograms were first introduced at the 1964 Tokyo Games as a means of transcending language barriers. They were used to represent individual sports, as well as services that would help visitors get around. Designers for the '64 Games revolutionised the idea by creating symbols that could be used non-verbally without confusion. They even helped to create what are now universally used to distinguish between gendered toilets.