( CNN ) Syrian activists are taking the fight to ISIS over social media . The group has been using Twitter and Facebook as a way of recruiting new members, but it is also trying to use its own propaganda channels on YouTube and other sites like Reddit or 4chan in The online taunting has caught the attention of ISIS ' central command .
Syrian activists are taking the fight to ISIS over social media . The group has been using Twitter and Facebook as a way of recruiting new members, but it is also trying to use its own propaganda channels on YouTube and other sites like Reddit or 4chan in The online taunting has caught the attention of ISIS ' central command .