Institutional user ID.</li> </ul>Data from other sources<p>We also may obtain contact details and other information about you from other entities within RELX and from third parties, including:</p> <ul> <li>Social networks when that you grant permission to the Service to access your data on one or more networks;</li> <li>Service providers that help us determine a location in order to customize certain products to your location;</li> <li>Partners with which we offer co-branded services or engage in joint marketing activities.