Assertion: stream | /r/CapableOf | rip website
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text: The RIAA has targeted various stream ripping websites (including the websites themselves, and listings for them via search engines) under the anti-circumvention provisions of the U.S. Digital Millennium Copyright Act (DMCA), under its claim that a "rolling cipher" used by YouTube to generate the URL for the video file itself constitutes a technical protection measure, since it is "intended to inhibit direct access to the underlying YouTube video files, thereby preventing or inhibiting the downloading, copying, or distribution of the video files".