User Accounts are for your personal use only. provided that in certain circumstances, such as an account created for demonstration or evaluation purposes specifically intended for use by multiple individuals, account credentials may be shared. </p> <p>If you are not an Authorized User, you may not use the Service, and any such use shall be a violation of these Terms of Use. Authorized Users are granted, subject to these Terms of Use, a limited, personal, non-exclusive, non- assignable, and non-transferable license to access and use the Service and the Materials for their personal, non- commercial, educational, instructional and related administrative purposes only.