Adapted passage context: The text describes how ordinary people used social media during major events. After the 2009 Hudson River plane landing, eyewitness posts spread before television news. During a 2013 Russian meteor event and the 2010 Haiti earthquake, online photos, videos and eyewitness reports helped information travel rapidly. The passage also warns that false facts and deliberate hoaxes can spread as quickly as true news, even though social media can also help people and save lives. Adapted source item 97: News on social media :

1. travel fast
2. are reliable
3. are deliberate hoaxes
4. are insignificant