Toddlers mobile device savvy

NBC - Toddlers and preschoolers are often left to their own mobile devices, with half enjoying their very own TV by the tender age of 4 and more than three-quarters regularly using their own mobile devices, researchers said Monday. Most are starting before they are even a year old — and by age 3, they're using the devices all by themselves, the team reports in the journal Pediatrics.  The survey was done in a single urban pediatric clinic in Philadelphia, and the researchers note that the findings do not necessarily extend to the whole country.