hyperlinks or contents are in breach of confidentiality obligations or unlawful. or</li> <li>distribute advertising or unsolicited e-mails (so-called "spam") or inaccurate warnings of viruses, defects or similar .  .  .  .  . material and the User shall not solicit or request the participation in any lottery, snowball system, chain letter, pyramid . game or similar activity.</li> </ul> <p> </p> <p>6.2.