use the Services to provide material support or resources (or to conceal or disguise the nature, location, source, or ownership of material support or resources) to any organization(s) designated by the United States government as a foreign terrorist organization pursuant to section 219 of the Immigration and Nationality Act or other laws and regulations concerning national security, defense or terrorism;</li> <li>access, search, or create accounts for the Services by any means other than our publicly supported interfaces (for example, "scraping" or creating accounts in bulk);</li> <li>send unsolicited communications, promotions or advertisements, or spam;</li> <li>place any advertisements within a Slack client;</li> <li>send altered, deceptive or false source-identifying information, including "spoofing" or "phishing";</li> <li>