Michael Nieling/Ocupop designed the icons icons/badges/logos/banners for this. On 8 June, 2011, Google, Facebook, Yahoo!, Akamai and Limelight Networks will be amongst some of the major organisations that will offer their content over IPv6 for a 24-hour ‘test flight’. The goal of the Test Flight Day is to motivate organizations across the industry — Internet service providers, hardware makers, operating system vendors and web companies — to prepare their services for IPv6 to ensure a successful transition as IPv4 addresses run out.