Readers who want a more complete picture should read two other  Steven Levy's  Heroes of the Computer Revolution (1984), which gives a still-fresh account of MIT's Project MAC (not coincidentally funded by Licklider), an enterprise dominated by the hacker ethic--the compulsive urge to explore and improve on things.
Heroes of the Computer Revolution by Steven Levy is source that offers more information.
The hacker ethic had little influence on the MIT's Project MAC.