Tool number 3: Asking questions in the headline that are specifically refuted in the piece itself.

PadGadget's Jenni (no last name given) asks

Dunno, Jenni. Maybe we should read your article, which says that while one doctor has only begun to study its effects ...

...preliminary findings have reportedly shown that for some children, touchscreens appear to motivate and enhance learning rather than hinder it.

Maybe it's just the Macalope, but wouldn't a more accurate title have asked the question the other way around, since that's what the current--albeit minimal--evidence shows, rather than parroting the tired accusations of the usual Luddites?