What I've Learned Today is... Thomas Bulvan

That even though this website can train your eye to help see subtle differences in two designs of the same thing, a lot of the design choices are subjective and one is not necessarily better than the other or some are not design choices at all, like the image resolution, would be all on would is selling the guitar on the website.  So I think the most important thing I learned what how to be better at spot the difference.