There's more work ahead before consumers rely mostly on their mobile devices
Ashton Kutcher was interviewed by CNBC reporter Julia Boorstin in a keynote session on the final day of CTIA Wireless on Thursday.
Actor and venture capitalist Ashton Kutcher appeared in a keynote session on Thursday at CTIA Wireless in Las Vegas.
Kris Rinne, senior vice president of network technologies at AT&T.
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