Home » BBC News - Technology » technology news » Mobile phone tracking data 'could replace census questions' Mobile phone tracking data 'could replace census questions' Unknown 4:31 AM BBC News - Technology technology news Statisticians experiment with tracking people's movements to find out about their daily commute. from BBC News - Technology http://ift.tt/2AoLpWt Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati