In the same vein as OpenDoc, XMPP and RSS both come to mind. While they “saw the light of day”, they never seemed to reach the threshold of popularity necessary for long-term survival, and they’re not well supported any more. I would argue that they’re both good examples of “left-behind” tech.
In the same vein as OpenDoc, XMPP and RSS both come to mind. While they “saw the light of day”, they never seemed to reach the threshold of popularity necessary for long-term survival, and they’re not well supported any more. I would argue that they’re both good examples of “left-behind” tech.