[answered]question about signature

C. The Topics shall be used only in a non-promotional manner. You shall not, without the express approval of Able2Know, distribute or otherwise publish in the service any content which contains (i) offers to buy or sell goods or services; (ii) advertising; or (iii) commercial solicitations of any kind. Examples of prohibited solicitations include efforts to obtain funds or services from members and attempts to recruit members to participate in research studies, polls, surveys or lawsuits. Promotional postings are not limited to commercial promotions and all are equally forbidden. You may not post links to your site or use Able2Know for promotional purposes (both commercial and non-commercial) unless you have been granted an exception by the site administrators.