This excerpt taken from the ATVI 10-Q filed Nov 10, 2008.
TRADE SECRETS OF OTHERS. I represent that my performance of all the terms of this Agreement and as an employee of the Company does not and will not breach any agreement to keep in confidence Proprietary Information, knowledge or data acquired by me in confidence or in trust prior to my employment with the Company, and during my employment by the Company, I will not improperly use or disclose to the Company, or induce the Company to use, any confidential or proprietary information or material belonging to any previous employer or other parties. I have not brought and will not bring onto the premises of the Company or use in the performance of my responsibilities at the Company any unpublished documents or any property belonging to any previous employer or any other person to whom I have an obligation of confidentiality unless consented to in writing by that previous employer or person. I agree not to enter into any agreement either written or oral in conflict with this Agreement.