Dan York focuses on explaining the changes going on all around us within communication technology and practices. An author of multiple books on networking, security, IPv6 and Linux, Dan frequently presents at industry conferences and events and has blogging and writing online since 2000. Today Dan serves the Internet Society as the Senior Content Strategist focused on the Deploy360 Programme, seeking to help service provides, companies and individuals more quickly deploy Internet technologies such as IPv6 and DNSSEC. Separately, Dan is also the Chairman of the global Voice Over IP Security Alliance (VOIPSA) and is active within the IETF. More information about Dan can be found at http://danyork.me/