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"Last week, many Facebook users saw a cryptic sponsored post crop up in their News Feed: &amp;quot;Chatting just got more festive! Look out for a treat December 24th-26th.&amp;quot;\u00A0Now that ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/facebook/2013/12/24/snow-facebook-added-sprinkle-white-stuff-whenever-tap-one-chat-heads/>