Are you addicted to your smartphone? Many of us certainly feel drawn to our electronic devices - and the array of information and activities they offer - in a way we feel uncomfortable admitting. And, while there's some controversy about whether or not the term "addiction" is appropriate, there is growing evidence that things like posting on Facebook can elicit the same brain response as an addictive substance. "When you scan someone's brain when they're self-disclosing, they activate the same