Attempt to impersonate another user or person or use the username of another user.</li> <li>Upload or transmit (or attempt to upload or to transmit) any material that acts as a passive or active information collection or transmission mechanism, including without limitation, clear graphics interchange formats ("gifs" ), 1×1 pixels, web bugs, cookies, or other similar devices (sometimes referred to as "spyware" or "passive collection mechanisms" or "pcms" ).</li> <li>