Https://discourse.ioquake.org/t/full-advance-list-of-copyright-desktop-usa-customer-support-numbers-a-complete-contact-guide/2559https://discourse.ioquake.org/t/full-advance-list-of-copyright-desktop-usa-customer-support-numbers-a-complete-contact-guide/2559https://discourse.ioquake.org/t/full-advance-list-of-copyright-desktop-usa-customer-support-numbers-a-complete-contact-guide/2559... https://discourse.ioquake.org/t/full-advance-list-of-copyright-desktop-usa-customer-support-numbers-a-complete-contact-guide/2559