This piece in the Atlantic says bookmarking sites like Pinterest are replacing some of our actual shopping with virtual consumption and display. People like to show off their taste and aspirations. They can satisfy their foraging instincts and have the pleasure of finding shiny things without actually spending any money.
The world is getting lighter. G and I increasingly find we often prefer to have digital rather than tangible products. They take up less space in a small New York apartment, and in most cases you have access to them anywhere - subway, park, Europe. The Kindle app is increasingly a godsend in reducing the pace at which books outrun their shelf space.