Youth Culture Update: Live Without My Smartphone? Perish the Thought! Paul Asay More than half of youth between the ages of 18 to 29 cannot imagine life without a smartphone, according to a new poll from Gallup. (USA Today) Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)