Use the Sites for any unauthorized commercial purpose, including competing with Robert Half, or for any purpose that is fraudulent or otherwise tortious or unlawful.</li> <li>Harvest or collect information about users of the Sites.</li> <li>Interfere with or disrupt the operation of the Sites or the servers or networks used to make the Sites available, including by hacking or defacing any portion of the Site. or violate any requirement, procedure or policy of such servers or networks.</li> <li>Restrict or inhibit any other person from using the Sites.</li> <li>