― Anyone who’s ever bought a digital camera from a store knows the frustration of seeing the same model a week later at a cheaper price. Not because there’s a new model out or because there’s been a change in the exchange rate for the yen, but because they simply didn’t shop around. And even worse, because they didn’t shop around on the Internet. ∙ In 2011, there’s no excuse for people shopping locally. Unless you live in one of the ten biggest cities on the planet, the chances are that [...].