Several newspaper and other media reporters monitor FT. James Pilcher of the Cincinnati Enquirer comes to mind immediately.
Adam Burke fron Hilton has been a major source of help at the Hilton site.
Delta has an "unofficial" presence in the form of Russ21Atl and
www.saveskymiles.com came out of FT and failed because of Delta's indifference.
I seem to remember someone from New Zealand or Australia looking for info for a research projrect.
I am sure that there is more