Policing tweets poses a quandary for employers As the Twitter population grows, so does the chance for damage. So where does a company draw the line? By Ragan StaffDec. 21, 2009 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.