From thrift shop finds to eBay second hand markets. The stigma of buying old is becoming less than buying new. Whilst we're still not totally over that hump, there are a bunch of things you can do to buying old instead of new.
We're producing more and more waste each year, so why isn't there an economy around turning that waste back into usable products? Why are we throwing away refined, pure materials, instead of turning it into something new out of the old?