Analytics

Recommended reading http://www.google.com/analytics/

 http://www.pewinternet.org/three-technology-revolutions/

 http://www.bcg.com/expertise_impact/capabilities/digital_economy/publicationdetails.aspx?id=tcm:12-110415&mid=tcm:12-95477

 https://support.google.com/analytics/answer/3196960?hl=en&rd=1