19. Indemnity <p>You agree to indemnify and hold AT&T, and its subsidiaries, affiliates, officers, agents, co-branders, licensors, or other partners and employees harmless from any claim or demand, including reasonable attorneys' fees, made by any third party due to or arising out of Content you submit, post, transmit, or otherwise make available through the Service, your use of the Service, your connection to the Service, your violation of this Agreement, your violation of the AUP, or your violation of any rights of another.</p> <p>You acknowledge that you are responsible for all use of the Service using your account, including use by Sub Accounts, and that this Agreement, the Acceptable Use Policy, and Privacy Policies, as amended from time to time, apply to any and all usage of your account, including use by Sub Accounts. You agree to abide by these terms and you agree to defend, hold harmless, and indemnify AT&T from and against any and all claims stemming from usage of this account and any Sub Account - whether or not such usage is expressly authorized by you.</p> 20.