perceived obsolescence

Things wear out

I have a pair of shoes that are about to wear out. This sucks because they're shoes I wear pretty often (which is no doubt why they're wearing out). I'll probably have to replace

Where Did Your iPod Come From? The Story of Stuff

Do you know the difference between planned and perceived obsolescence? Do you know why high heels are fashionable with chunky heels one year, and thin heels the next year? Why is