Referrals www.google.com: 159 t.co: 24 www.google.co.uk: 6 www.google.ca: 5 docs.google.com: 2 www.google.de: 2 www.google.com.hk: 2 google.com: 2 www.google.com.mx: 1 www.google.co.il: 1 yahoo.com: 1