Our logo was created by two graphic designers (who had just created their company Autre, Planètes) The pixels in the rainbow part are voluntary.
Before that, we did a bit of ASCII art.
In 1996, the Well made use of a softer idea.
In 1997, IBM had developed their e-commerce activities.
In a deal with IBM, we agreed to add the name of the company into the logo image.
A few years later, some other companies started using:
We are still a bit curious to see others, feel free to show us examples.