Library of Congress will no longer save every tweet

Library of Congress will no longer save every tweet

Enlarge (credit: Michael Nagle / Bloomberg / Getty Images News)

Yesterday, the US Library of Congress announced a change to its social media archiving policy. In 2010, the LOC had been given a complete archive of every tweet sent to that point; it has been grabbing every single new one since. But starting on the first of January, the archiving will become selective; only tweets that are deemed newsworthy will be kept.

The LOC describes the decision in a very short white paper. Part of the reasoning is the sheer volume of data; the number of tweets is up, and their possible length has been doubled recently. But it’s also a matter of being able to actually preserve content. Tweets now embed pictures, videos, and previews of the content of any links they contain. The LOC has been preserving only text and, therefore, is missing out on an increasingly important portion of the information content of any tweet.

In addition, the Library’s normal role is as a curator, preserving information that’s thought to be most significant or valuable. In this sense, the change will bring its Twitter policy more in line with its general approach to collecting.

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