We got a similar approach, but we focused on the pitch for customer when we meet them and inject our widgets in 3rd party sites in front of their eyes using a b

We got a similar approach, but we focused on the pitch for customer when we meet them and inject our widgets in 3rd party sites in front of their eyes using a bookmarklet I hacked together which makes the widgets editable within the page. Naturally everything dissapears on refresh, but I plan to push changes to localstorage so they get re-rendered automatically once injected again.