Good catch. The likes of Facebook, Snapchat, Instagram, and others, smartphones allow us to carry immense social environments in our pockets through every waki

Good catch. The likes of Facebook, Snapchat, Instagram, and others, smartphones allow us to carry immense social environments in our pockets through every waking moment of our lives. Hence the "dopamine and social reward" one gets interacting in that social environment is what they use to get one hooked up.