Child-development experts and parents with technology experience offer these tips for healthy use of touch screens.
Melanie Stetson Freeman/The Christian Science Monitor
Play games all the way through to check for ads, pop-ups, and violence. (Mary McFadden found this out the hard way. A tame-looking app for her grandson, she says, "started out with cute little cartoon people [that] turned out to be bloody murderers.")
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