Well - In the case of windows phone I suspect no one particularly cared but couple of things for the (hopefully rare!) future instances of this happening.
Could we have one last spam cleanup before the site is archived? While SE has very robust systems for this, some slips through
in addition to the A51 archives, would a archive.org or similar copy of the site as it was in operation be possible?
What's the status of the site in data dumps and SEDE ?- will it simply cease to be and what's the period between sunsetting the site proper and removal from data query tools?