Sydney siege survivors: who were the hostages? - abc news, Man haron monis, an iranian-born cleric on bail for a string of violent offences, held a total of 17 people hostage in the lindt chocolate cafe in central sydney. two. Books will survive the twitter generation says professor, 'orphan 11yo harry = wizard! temp defeats lord voldie (whohe?)' professor rewrites 25 top novels in 140-character tweets as he says books will survive twitter.