Terence McKenna predicted that the universe's accelerating accumulation of complexity and novelty would hit its absolute maximum, or "zero point," on December 21, 2012
On the contrary we've seen a surge of novelty since.
Smartphone took off before 2012, a few years after iphone's release around 2010 when social media converged on it
In my opinion he nailed the timeline. It just needed to take off, and it is.