we may receive information about you from another user, such as when your friend posts content that includes you.</p> <p>From time to time we engage in research, analysis, historical and scientific studies either alone or with partners. As part of such efforts we invite individuals to participate and voluntarily share information through an informed consent process. When we receive personal information from a third party for the purpose of such research we undertake processes to validate that the personal information has been collected in a responsible and lawful manner