September 19, 2012
History, As Recorded on Twitter, Is Vanishing From The Web, Say Computer Scientists
Almost 30 per cent of recorded history, shared over social media such as Twitter, has disapeared, according to a new study of the Egyptian uprising and other significant events. MIT Technology Review va @jranck.
On 25 January 2011, a popular uprising began in Egypt that led to the overthrow of the country's brutal president and to the first truly free elections. One of the defining features of this uprising and of others in the Arab Spring was the way people used social media to organise protests and to spread news.
Several websites have since begun the task of curating this content, which is an important record of events and how they unfolded. That led Hany SalahEldeen and Michael Nelson at Old Dominion University in Norfolk, Virginia, to take a deeper look at the material to see how much the shared were still live.
What they found has serious implications. SalahEldeen and Nelson say a significant proportion of the websites that this social media points to has disappeared. And the same pattern occurs for other culturally significant events, such as the the H1N1 virus outbreak, Michael Jackson's death and the Syrian uprising.
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