India, July 21 -- Some hawkers hawk things as common as the mobile phone screen guard. Some hawk things as rare as the "drawing room fish." Consider this hawker of children's toys, here in a central Delhi market-see photo. Among other things, he is hawking. hawa! Irshad is selling breeze... in the form of a pinwheel. The tiny toy traditionally comprises of carefully cut paper pieces attached to a stick. The breeze forces the paper pieces to spin merrily, like a fairground carousel. In the absence of sufficient breeze, the pinwheel player may force it to rotate by blowing on it. In a time when our pleasures and distractions are almost wholly sourced from the mobile phone screen, the survival of an object as old-fashioned and analogue as a pi...