> with a header explaining that "This study is no longer active. Thank you for your participation." I think that header is way too easy to miss, because it occ

> with a header explaining that "This study is no longer active. Thank you for your participation." I think that header is way too easy to miss, because it occupies the same space as the usual pointless cookie or "sign up"-type banners that many websites show. I certainly didn't see it at first. I suspect that the author of the linked blog post did not see that message either, since they describe that page being a 404 as "probably a bug".