Banners are relatively new on FT IIRC? The 'staircase' ones especially so.
The huge critical mass of FT is I understand a valuable asset to Randy's fairly large core business. He or staff can consult to airlines or Hotels etc and KNOW backwards the issues their users have. New ideas can be bounced off this audience. Concepts can be floated. Press can and often do can draw from it.
A large FT makes all the above easier and more effective. IMO.
Randy has posted before IIRC that new staff to his core business he sits in front of a computer and has them spend a day or so surfing here just to get a "feel" how Frequent flyers think and act.
ANY kind of a fee or restriction or registration really drives down participation I feel on ANY website. The idea on paper seems to have merit, but it is Randy of course that needs to be convinced, and be very interested in his thoughts if he cares to share.
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Glen ~ sipping bubbly from a UA 747-400 exit row 15 near you SOON!