Kids noodle with Angry Birds and Fruit Ninja on their cell phones.
Now parents have smartphone applications for them: different apps let them monitor their kids' movements at all times of the day.
Molly Williams reviewed some of the apps for the Wall Street Journal by testing them out on her 15-year-old daughter.
Williams' favorite application? Footprints by Sollico Software, which gives up to 50 of the most recent locations the phone has been located. It also sends alert when the phone leaves specified geographic area.
Molly Williams, Wall Street Journal writer
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