Our smartphone habits -
66% of those ages18-29 own smartphones, & smartphone ownership now exceeds basic cell ownership.
On the eve of Apple’s unveiling of the iPhone 5, 45% of American adults own smartphones. They are particularly popular with young adults and those living in relatively higher income households; 66% of those ages 18-29 own smartphones, and 68% of those living in households earning $75,000 also own them.

(Source: pewinternet.org)