When Loren Brichter designed pull-down-to-refresh for “Tweetie”, an independent frontend for Twitter, do you think he knew what he would cause in the rest of the world? 

Have you ever seen a map of the the cables that make up the internet? We’ve literally wrapped the world with internet cables. Laying silent, slightly humming and twitching like an alien on the ocean floor. 

And through it, the neurotransmitter of reward and attention and mood and motivation course through it like an IV drip of modernity.