Nor is standard photographic equipment always sufficient, since urban light pollution can wreck an image of a supernova.

FORBES: A Star Is Born

While urban railway bridges, parks and pavements may not be the first image you see, many cities have been quick to embrace the foraging trend.

BBC: The art of urban foraging

Digging deeper into younger demographics will be a host of phones aimed at young urban hipsters (SLAKR), college students (KEGR, now with BRETHLYZR technology), image-conscious high school students (LUZR, which includes a handy SPELCHEKR) and pre-schoolers (REKR).

ENGADGET: Switched On: Motorola's cell phones keep getting BETR

In fact, the Commonwealth Games, originally an image-improving project for the city, have now become merely a staging post in a vast urban renewal scheme.

ECONOMIST: Football stadiums: Good neighbours | The