Ephemeral privacy protected positioning(geoconnexion.com)

http://www.geoconnexion.com/publications/geo-international/issue/april-2014-international-issue/article/ephemeral-positioning?utm_medium=email&utm_campaign=Geoconnexion+April+2014+Newsletter&utm_content=Geoconnexion+April+2014+Newsletter+CID_61f585414d890a5dfd0cdc861c95380a&utm_source=Email%20marketing%20software&utm_term=Read%20the%20full%20article%20online