Around the time that the first Urban Dictionary book was published, Peckham was employed by Google Inc., and he continued to monitor the site during his tenure.[4] In October 2006, Peckham submitted a "friend of the court" brief for the American Civil Liberties Union (ACLU) freedom-of-speech lawsuit "ACLU versus [former Attorney General Alberto] Gonzales", in which the Child Online Protection Act (COPA) was successfully challenged.[11] Peckham wrote: