I think this varied by country. I was working on some HTTPS advocacy targeted at web sites before it was so ubiquitous, and I remember Amazon in the U.S. not al

I think this varied by country. I was working on some HTTPS advocacy targeted at web sites before it was so ubiquitous, and I remember Amazon in the U.S. not allowing you to browse items with HTTPS probably sometime around 2010 (I think they would send a redirect back to the HTTP site).