As odd as this may sound in the age of cell phones and digital data, this case may end up being resolved by reviewing the original public meaning of the Fourth Amendment and the right of security against government intrusion. A closer look at the Fourth Amendment through original meaning will expose that many searches conducted by the administrative state are as harmful to the rights protected by the Fourth Amendment as the general warrants used in colonial America.
http://www.cnsnews.com/commentary/mark-fitzgibbons/cell-phone-record-case-scotus-horizon-originalist-analysis-iv-amendment