> Create a page to explain Exit this page to users.
> You must show this page after the start point of your service, but before the page where the user will see the Exit this page button for the first time.
> On longer services, you might need more than one interruption page.
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They do explain this:
> Interruption page
> Create a page to explain Exit this page to users.
> You must show this page after the start point of your service, but before the page where the user will see the Exit this page button for the first time.
> On longer services, you might need more than one interruption page.