Flight attendant Ellen Simonetti and former Google employee Mark Jen have more in common than their love of blogging: <A HREF="http://www.cnn.com/2005/TECH/internet/03/06/firedforblogging.ap/index.html">They both got fired over it.</A> Though many companies have Internet guidelines that prohibit visiting porn sites or forwarding racist jokes, few of the policies directly cover blogs, or Web journals, particularly those written outside of work hours. With search engines making it easy to find virtually anything anyone says in a blog these days, companies are taking notice--and taking action.