Former Megaupload users took to Twitter and other sites to complain that they'd lost legal material because of the crackdown.
Former Megaupload users took to Twitter and other sites to complain that they'd lost legal material because of the crackdown.
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Story highlights

The U.S. government shut down file-sharing site Megaupload on Thursday

Megaupload let users upload files with a single click

The government says the site's owners knowingly allowed copyright infringement

On Friday, pirated material was still easy to find on other sites

CNN  — 

Megaupload, the file-sharing website shut down Thursday by the U.S. federal government, is a Web hosting tool that now finds itself accused of being an online haven for digital pirates.