The second article on Cyan's poster talks about variable colorways. Variation in prints immediately applies value judgements on the design/artwork itself. It's function to direct a message to viewer has not changed it's objective, but how it is received is changed ever so slightly. This is a practice in printmaking when a certain print has a smaller "special" edition giving it more value compared to the more standard edition that is widely available.
I continue to see designers working with "lost" or "low" art/illustration/design/photographs out of context and sometimes recontextualizing it. Some times for better or for worse. Commercial imagery has been a great interest for source work since the time of pop art. Some random good and bad examples: 1 2 3 4 5 6