Fascinating social network focuses on 150 closest friends.
Slightly clumsy app puts FB front and center, all the time.
Slick app for blogging on the go; teens and older only.
Iffy content abounds on popular, clever video app.
Mobile version of tween social network; parents can monitor.
Teens using social networking app will need safety guidance.
Video creation app fun to use but has real privacy concerns.
No text overage worries, but teens are constantly connected.
App for iffy social networking site flirts with trouble.
Parental controls help lessen risks of Apple's location app.
Powerful social tool, but use privacy, location settings.
Location-sharing app useful for adults, risky for kids.