Shantanu Narayen took over Adobe in 2007 and then did the thing companies almost never survive: changed how it made money, on purpose, while it was still working. Boxed creative software went away. A cloud subscription replaced it.

Customers were furious and investors were nervous, because the transition meant giving up large upfront sales for small monthly ones. What it bought was revenue that arrived predictably every month, and years of growth built on that steadiness.

He walked away from billions in upfront sales to build something steadier: a subscription the world couldn't cancel.

He also widened the company well past its creative tools, into digital marketing and document services — a portfolio that reaches designers and enterprise buyers who have nothing else in common.

It is now the textbook case for reinventing a successful company before decline forces your hand. Executed patiently, over years, and it made Adobe one of the most valuable software firms in the world.