Fifty years after its founding in a California garage, Apple has grown into one of the most influential, profitable, and iconic companies in history, with more than 2.5 billion users worldwide.

But beyond products like the iPhone and the iPad, what has Apple's broader impact been on our culture and society and how has the tech giant reshaped communication, our daily lives and screen addiction?

CNN's Bill Weir went two weeks without his phone and underwent before and after brain scans to see what the digital detox revealed about his neural activity.