This document discusses the impact of mobile technology on teen behavior and development. It notes that teens are now the most connected group to the internet through mobile devices, with 37% owning smartphones. However, mobile phone addiction is negatively impacting teen relationships and behaviors, with some sleeping with their phones or texting in their sleep. Over 70% of teens actively hide their online activity from parents, and over 75% admit to texting while driving, indicating mobile technology may be enabling risky behaviors among teens.