Blocked online, Islamic State supporters launch CaliphateBook

Islamic State supporters, facing regular bans and blockages on Facebook and other social networks, have launched their own CaliphateBook to spread their militant message over the Internet. The site 5elafabook.com, which resembled Facebook but appeared unfinished, went live on Sunday then went offline again a day later and its linked Twitter account was shut down. Islamic State, which had declared its own caliphate in territory captured in Iraq and Syria, has relied heavily on social media to spr