Just read _Adobe Co-founder John Warnock on the Competitive Advantages of Aesthetics and the ‘Right’ Technology_
https://knowledge.wharton.upenn.edu/article/adobe-co-founder-john-warnock-on-the-competitive-advantages-of-aesthetics-and-the-right-technology/

This bit about PDF being a permissionless (fait accompli) innovation is my favourite:

Adobe Co-founder John Warnock on the Competitive Advantages of Aesthetics and the 'Right' Technology

John Warnock's sense of aesthetics, combined with a strong belief "in doing things right" technically, has driven Adobe Systems -- the company Warnock founded with Charles "Chuck" Geshcke -- throughout much of its history. Yet while that passion has led to the development of many of Adobe's most successful products and the establishment of key standards for print and interactive publishing, it has also hampered the company in responding to some of the major shifts in technology, like the rise of the web. In an interview with Knowledge at Wharton, Warnock talks about Adobe's history and its business strategy, as well as topics like why he avoids using Microsoft software and why he believes Apple CEO Steve Jobs should re-engage a partnership with his company.…Read More

Knowledge at Wharton