snowden which was being interviewed via Google Hangouts stated that some of these services such as Dropbox does not encrypt files, users, and even for encrypted services, the companies are obliged by American law to hand over users' information if requested to do so by American courts.
Snowden who's now live in Russia, is accused by the United States to hand over Russia and confidential documents other than those related to the control of the Internet, which have been published in the press, and therefore he is accused of spying. However, Snowden denied delivery any secret documents other than those that have been published in press.
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