This could be : how to insert pictures inside the progress bar / gradient/ other CSS elements that could be attractive ?
So it looks a little bit more professional
In case of someone stops filling out the forms and drop the process in STEP 1 (which is only asking for the email)
What if I want to receive via an alert from marketo, the email from the first step ?
A Smart Campaign that triggers on the first form name. That's the power of this solution: each form stage is a separate activity in Marketo.
What's the current home of the form?
The Submit button should be disabled automatically on first click (built into the Forms 2.0 API) but maybe we need to harden that.