In Iran, its against the law for women to leave their hair uncovered in many places.\r<br>\r<br>Last week, we reported on a Facebook page where Iranian women are defying those restrictions and posting images of their uncovered hair online.\r<br>\r<br>The same day as our report, a backlash began - with a rival Facebook page attacking those women, and other sites making fun of the hijab issue.\r<br>\r<br>Video journalist: Benjamin Zand\r<br>\r<br>Like what you see? Follow us here:\r<br>BBC Trending blog: \r<br>Twitter: \r<br>BBC Trending Radio:
