Here is a helpful reminder for startups as a cost-effective way to deal with potential mischief on the Internet.  As the article explains, the “dot-xxx” (.XXX) top-level domain is just days from its launch as the new home for adult content on the Internet.  As part of the launch, companies that do not want their brands associated with adult content have an opportunity to block their registered trademarks from being registered as .XXX domains.  Read more here.