One way of thinking about obsolescence is as a condition, a final state in which some thing, most often technological, is on the precipice of disappearing—if not already long gone. A related and more productive way of thinking about obsolescence is not as a state or condition, but rather as a process.
Joel Burges's blog
Why have the revolutions that theory enacted become an embarrassment?
Can listening lead to historical consciousness, the sung to a sense of the past?