These are the 10 most sought-after vintage cell phones that collectors pay a fortune for; do you have any of them at home?

DUAL CAMERA SYSTEM: Get professional-looking portraits with a blur effect using the depth sensor. The 13MP camera with phase detection autofocus (PDAF) captures your subject in the blink of an eye ...

and over half of those teens say that they often use their cell phones this way. More than 8 in 10 teens also report that they use their phones to connect with other people or learn new things ...