HTML can allow you to interact with the document, for example you might want to ask it to add sliders or knobs to adjust a design or allow you to tweak different options in the algorithm to see what happens. You can also ask it to let you copy these changes into a prompt to paste back into Claude Code.

In the earlier example, I used “no-reply@” because this is, unfortunately, a common practice used by many email marketers. As a brand utilizing email, you should never expect a personal experience like email to ever be one-sided.