Both lessons were vital, but they have only been half-learned.

ECONOMIST: Whatever happened?

These lessons should be learned and applied moving forward not only to Turkey, but to a whole host of regimes and sub-national groups in the region and throughout the world.

CENTERFORSECURITYPOLICY: How Turkey was lost

As the nation rouses itself to address the lessons learned from last week's blackout, it better focus not only on how to avoid a repetition but also on a possibly vastly more serious blackout next time.

CENTERFORSECURITYPOLICY: The Next Blackout

The International Olympic Committee facilitates sharing of lessons learned and best practices from Games to Games, but in 2008, the iPhone was only a year old, My Space was the most visited social media platform, Twitter was still in its first year, and it would be two years before the iPad would even be launched.

FORBES: Five IT Lessons from the London 2012 Olympics