Isn t this a slippery slope even though it might reduce the ISIS traffic on Twitter. Freedom of speech is being challenged waaaay too much these days and here s yet another example:Twitter has clarified its definition of abusive behavior that will prompt it to delete accounts, banning  hateful conduct  that promotes violence against specific groups.The social media company disclosed the changes on Tuesday in a blog post, following rising criticism it was not doing enough to thwart the Islamic State s use of the site for propaganda and recruitment. As always, we embrace and encourage diverse opinions and beliefs, but we will continue to take action on accounts that cross the line into abuse,  Megan Cristina, director of trust and safety, said in the blog.The new rules do not mention the Islamic State or any other group by name.Read more: NYP