Some of the books he holds up as examples of intellectual (rather than academic) engagement are Jane Jacob's Death and Life of Great American Cities, William Whyte's Organization Man, C. Wright Mills' White Collar, Murray Bookchin's The Limits of the City, and Lewis Mumford's The City in History. I think most of these would be good candidates for "undead" status.
A few years ago there was an interesting symposium revisiting the argument in light of changes in the public sphere: https://www.chronicle.com/specialreport/After-The-Last/16
Other than 'faster mail', it's not clear that any rule systems of the consumer internet make people more efficient workers. No futurists predicted that grindr & SMS would be the best our century had to offer re: automating human resources.
Neural nets were certainly hampered until the 2000s by weaker CPUs, but I wonder if part of the problem was the expectation and hope that humans would be able to write useful rules. This is a very old illusion.
