The Rolling Stones don't want others to know about their whereabouts.
When you phone Jane Rose or Fran Curtis, Rogers and Cowan, they will never say where the Stones are. They will not mention the hotel or the rehearsal place or whatever.
When you enter the hotel, where the Stones are staying, and you go to the frontdesk and ask if the Stones are staying there, the answer is always no, or I don't know, or we don't give information about our guests.
Those are very simple rules, whether we like the rules or not.
Bjornulf runs a Rolling Stones Fanclub and a messageboard. He simply has to stick to the Rolling Stones rules. The Stones don't want their whereabouts posted on the internet, so Bjornulf has no other choice than to live by these rules. And whatever anybody might think about these rules, whether you understand them, find them ridiculous or whatever, that's the way it goes.
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Keep On Rolling