At this point the room is plunged into dimness as the light pouring in through the window-wall is throttled by some kind of invisible mechanism built into the glass: liquid-crystal shutters or something. Screens descend from slots cunningly hidden in the room’s ceiling. This diversion saves the cervical vertebrae of many guests, who are about to whiplash themselves by nodding even more vigorously at the sultan’s latest hairpin turn. Goddamn it, does location matter in cyberspace or doesn’t it? What’s the bottom line here? This isn’t some Oxford debating society! Get to the point!