In 1998, Rabbi Yaacov Deyo and his students came up with a new way for single people to meet each other - they called it "speed dating". It started as a programme for Jewish singles in Los Angeles, but soon spread all over the world.
(Photo: Men and women take part in an evening of silent speed dating in a bar in east London on 23rd September 2015. Credit: Jack Taylor/AFP/Getty Images)
