With so many art fairs springing up all over the world, you’d think art was a thriving business — but, of course, fairs are not merely about buying and selling, they are also about intellectual content, socialising, and as so many participants put it, “networking”. And in all these respects, Art Dubai in that emirate has come to occupy an important position. I saw a large number of collectors at the eleventh edition, concluded recently, but also curators (a sure sign of the importance of the fair) and museum directors. There was a great deal of off-hours schmoozing too, since