Murdoch & Anderson (2010). Verified by Visa and MasterCard SecureCode: or, how not to design authentication. PDF: http://bit.ly/8RM9Us
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Murdoch & Anderson (2010). Verified by Visa and MasterCard SecureCode: or, how not to design authentication. PDF: http://bit.ly/8RM9Us