http://stephensclafani.com/ - disclosed multiple XSS bugs in Google Services and twitter. - xsses.com
Bug Bounty Program : Multiple XSS in Google, YouTube, Blogger and twitter, check out POC writeup...

seen from United States
seen from United States
seen from Norway

seen from Norway
seen from Israel
seen from United States
seen from China
seen from China
seen from United States
seen from Norway

seen from United States
seen from India
seen from China
seen from China

seen from China

seen from United States

seen from United States

seen from France
seen from Kazakhstan
seen from Poland
http://stephensclafani.com/ - disclosed multiple XSS bugs in Google Services and twitter. - xsses.com
Bug Bounty Program : Multiple XSS in Google, YouTube, Blogger and twitter, check out POC writeup...
Great article on XSS protection.