Great work by the original designers. Then JS breaks it down into layman's terms.

I love this:

I signed up for a paid subscription service. On my absolutely, very, truly first visit. This is the holy grail of e-commerce UX.

Today, UX made me throw my personal rules out the window. Before today, I never paid to subscribe to something on the first visit.

Best tip for me? Literally one action button - using language consistent with your brand. “Do It” is all they have.