You’ve probably heard about “disruptive innovation,” a concept from Harvard Business School professor Clayton Christensen. But prominent Silicon Valley Marc Andreessen wants to be sure that you actually understand disruption — because the term does get thrown around a lot.

In his latest onslaught of tweets, Andreessen this morning first quoted from Christensen’s writings and then went on to provide examples. And then he went on to show why people really should be in favor of disruption.

And it’s worth paying attention to Andreessen on disruption, given that he was one of the key people behind the Netscape Navigator web browser, a hit among consumers that improved on the Mosaic web browser he had developed for the National Center for Supercomputing Applications.

The position from Andreessen, a cofounder of the venture capital firm Andreessen Horowitz, amounts to a strong defense of the concept. It’s quite a bit different from New Yorker writer Jill Lepore’s critical take on it.

Andreessen’s newly articulated stance could well bring on a whole new round of discussion about the already widely cited term.

Andreessen dutifully included footnotes to bring his tweetstorm to a close.

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