Point. Click. Breathe.

Your Humble Blogger is thinking of the famous graphic that traces the stages of human evolution, from the hunched-over caveman to the fully erect beings of today. Maybe future humans will return to being bent over, and will have a flat face to make it easier to look at a screen.

Common Sense Media has released a survey of teenagers and screen use, and the results make YHB wonder if he should recreate Mass Comm 101 as a smartphone app. NPR reports.

Questions...

•Do these results surprise you? Why?

•Do you have a social media account because you want it, or because you need it?

•Why do girls spend more time on social media than boys? Theories?

•Do you have a strategy for minimizing your online distractions when you study?