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Since Facebook gets more and more data all the time, one might ask where all the information is stored. One of the newest storage areas is a "cold storage" facility, a place for old, rarely accessed photos. This strategy helps Facebook efficiently deal with all the new pictures that it gets every day.

Read the full article here:

http://missoulian.com/lifestyles/territory/facebook-puts-seldom-used-photos-in-cold-storage-at-oregon/article_e708de20-381c-11e3-8c7b-001a4bcf887a.html