From Fluent 2015. "Every moment of every day there’s a new language, framework, format, protocol to learn. Nobody has a more dynamic skill set than a web developer. We’ll look at the one metaskill to rule them all: The ability to come up to speed and stay there, over and over again.
Abouyt Kathy Sierra (SeriousPony): Kathy Sierra worked as a game programmer, interaction designer, and learning specialist (Sun Microsystems, UCLA Extension) before creating the best-selling Head First series for O’Reilly. She was the original creator of one of the largest software developer communities, javaranch.com."