Emacs anticipated this need and can help formulate comments specifically for the NSA :) https://www.gnu.org/software/emacs/manual/html_node/emacs/Mail-Amusements.html

John

-----------------------------------
Professor John Kitchin 
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213
412-268-7803

On Mon, Apr 27, 2015 at 8:37 AM, Eric Abrahamsen <eric@ericabrahamsen.net> wrote:
Marcin Borkowski <mbork@mbork.pl> writes:

> On 2015-04-27, at 12:27, John Kitchin <jkitchin@andrew.cmu.edu> wrote:
>
>> This might be a case where having a link type that supports attributes
>> would come in handy. Then you could use these like PDF comments. In the
>> list of PDF comments in Adobe Acrobat for example, there is a checkbox you
>> can use to check them off when you are done with one. Of course, you have
>> to store that state somewhere! I think the pdf comment also stores the
>> author, and maybe other information too like the date and time it was
>> created.
>
> I think that Adobe Reader also sends it to the NSA. ;-)

I will provide a special org-comment-nsa-export-function option, to help
you convey your "comments" directly to the place where it matters.