And the DVD-by-mail is still valuable since it's still the best way to get movies that the studios won't license to subscription services. Facebook also disrup

And the DVD-by-mail is still valuable since it's still the best way to get movies that the studios won't license to subscription services. Facebook also disrupted itself by investing heavily in mobile. It's desktop experience is still useful, but it's mobile experience is what really matters today. The Innovator's Dilemma is very well understood now, which is why you see many of the big tech companies dominating now. Disrupting your own business is part of the DNA of the biggest tech companies today like Google, Facebook, Amazon, Netflix.