Actually it is self promotion as you will see in reading WP COI If we let this happen the article would be filled with 1000 links to service providers which is why we don t allow it Wikipedia is an Encyclopedia that just happens to be edited using a wiki It s not a wiki nor a blog where anything goes We have no registered products To have an article the subject must be WP NO LE Just because you see other articles that aren t in compliance isn t license for you do the same thing We delete hundreds of pages a day but we don t catch them all right away