Then imagine you're a restaurant owner who wants to entice potential customers by tagging the outside of your diner within a 3D panorama with menu information and digital coupons.
Don't be distracted by the trendy directional haircuts of your fellow diners, the emerging artists of the Belleville quarter.
(As at all the other places below, pointing is a perfectly reasonable strategy: most of your fellow diners will be locals, and they'll know the drill).
A good number of your fellow diners may have really worked up an appetite, as it's a popular stop for skiers who have walked up the mountain with climbing skins on their boards.
It is ironic, of course, that wealthy Notting Hill has such an affordable resource on its doorstep (the middle-class chatter here is of media careers; you may recognise some of your fellow diners from Newsnight Review), but it would be churlish to resent that.
That in-transit malaise melts away, taking with it the niggling pressures of domestic and professional life; casting a contented eye across the crumpled cartography before you, across the exhilarating otherness of your fellow diners, a heady, liberated wanderlust takes hold.
If you doubt it, just look around and see that most of your fellow diners are Chinese enjoying one of Man Wah's many signature dishes, such as sautéed fillet of sole with chilies in black bean sauce, beggar's chicken and what may be the best Peking duck in the SAR (Special Administrative Region).
In fact, you ordered a whole fish, usually about two pounds, and then split it with one of your fellow diners.
If using latex balloons, be careful to find out if any of your potential diners have a latex allergy.
Wear unwrinkled clothes; keep your hair neat (and out of your face and diner's foods); and manicure your nails.
