5 Creepy Ways Video Games Are Trying to Get You Addicted, which reminded me of last summer's Slate article,
Seeking: How the brain hard-wires us to love Google, Twitter, and texting. And why that's dangerous. (The first article describes how job satisfaction arises from autonomy, complexity, and connection between effort and reward, and made me say "oh, hey, yeah, that's exactly why I like my job." Which I now have to go to, having finished the lengthy process of de-clinging SteelyKid from me at daycare and eaten my breakfast.)