Social media is something of a double-edged sword. It can prove beneficial in certain scenarios but could also make a potentially lethal scenario more fraught.
Against a backdrop of fear and uncertainty following the hostage taking in Sydney, thousands of ordinary Australians turned to social media to spread a message of unprecedented tolerance and solidarity.
Some Australian social media users sent a message of solidarity to Muslims as the Sydney cafe siege went on for almost a day, offering to accompany anyone who felt intimidated on public transit.