Surprises in nonlinear/strong gravity from AdS/CFT to the world

Recent years have seen a flurry of activities in and motivated by AdS/CFT some of which have opened new to fronts in our intuition of the non-linear behaviour of General Relativity. Motivated by gravity wave efforts, fundamental questions and holographic applications, these efforts have revealed both intriguing simplicity and new highly complex phenomena. This talk will describe a few of these aspects, place special attention to how the duality hinted that gravity can go turbulent and (some of) its possible consequences.