After the Megaupload raid on the 18th, many file hosts are disabling their services, in fear of Government retaliation.
List of known file hosting sites that are disabled:
http://www.uploadking.com – (“Down for maintenance”)
http://depositfiles.com – Most of the files i have uploaded there are removed message: “Such file does not exist or it has been removed for infringement of copyrights.”
http://www.uploadhere.com – (“Down for maintenance”)
and many more expected to disable services.