Exercise 3: Remote Paper Prototyping Runs Into a Real, Documented Limitation — Possible Solution
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This setup runs directly into paper prototyping's real, documented
in-person limitation. The traditional method depends on a facilitator
physically swapping paper screens in front of the participant to
simulate the interface responding to a click - a real, hands-on action
that requires the facilitator and participant to actually be in the
same physical space together.

Running the session over video call, with participants spread across
five different countries and no facilitator physically present with
each one, removes exactly that requirement the method depends on. This
doesn't necessarily make the session impossible, but it means the team
is working around one of paper prototyping's own genuine, documented
constraints rather than using the method in its originally intended
form - and it's worth the team explicitly recognizing that tradeoff
rather than assuming a standard paper-prototyping session translates
cleanly to a remote setting.

ANSWER: This setup runs into paper prototyping's real, documented
requirement for in-person participation - the method depends on a
facilitator physically swapping paper screens with the participant
present, which a remote, video-call setup with participants in five
different countries doesn't provide, meaning the team is working
outside the method's originally intended, in-person form.

WHY THIS WORKS AS AN ANSWER
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This correctly identifies the specific real limitation (in-person
participation) the described remote setup conflicts with, rather than
citing a different one of the chapter's own listed limitations that
doesn't actually apply to this scenario.