People, whether they're kids, teens or adults, post a lot of dumb stuff online: selfies from funerals, snapshots of teens drinking alcohol tagged with screen names.

Most of it disappears into the endless stream of noise we've come to expect from social media, but some of it can lead to tragic consequences, even suicide. Some say schools ought to teach kids how to behave online.

But the California Report's Aarti Shahani says educators aren't so sure.