Lisp?

Granted, there are genuine "critical mass" effects for programming languages, but the same can be said to an extent of pop culture. If one of the reasons people listen to music is to have something to discuss with their friends, then of course, they go toward the already established.

While the details are interesting, "cumulative advantage" looks like a new buzzword for an old concept. As if it was heretofore believed that people thought independently of one another...