In the cutthroat world of retail, one curved line has changed everything. Amazon's logo, now as ubiquitous as the cardboard boxes piling up on doorsteps worldwide, tells a story of ambition ...

While another quipped: "IM SO DUMB I JUST REALISED THE AMAZON LOGO ARROW THING IS LIKE A TO Z LIKE 'WE HAVE EVERYTHING' OH MY GOD I'M A DUMB A**", prompting another user to respond: "I didn't know ...

Mr Duckworth said the Amazon logo, designed in 1998, was now "one of the five or six most famous logos in the world". He said: "They wanted to tell everybody they were selling everything.