Article 13 Is Back On: Worse, Not Better
HackerNews with Turnitin/Copyscape would be far worse than what it is now like.
Really, there are just a few companies which can implement a "copyright" filter.<p>For text:<p><pre><code>  *Copyscape
  *Turnitin
</code></pre>
For the rest:<p><pre><code>  *Google+Amazon+Apple (ContentID)
  *Microsoft+Facebook+Netflix ("Microsoft Rights", anyone?)</code></pre>