This is a personal project by @dellsystem. I built this to help me retain information from the books I'm reading.
Source code on GitHub (MIT license).
Haskel, J. and Westlake, S. (2017). Capital's Vanishing Act. In Haskel, J. and Westlake, S. Capitalism Without Capital: The Rise of the Intangible Economy. Princeton University Press, pp. 15-35