On: How does SOPA threaten Stack Overflow?

[nknight]

YouTube would not exist today without the safe-harbor provisions of the DMCA. It would have been sued out of existence years ago.

The DMCA did not create copyright law, it modified it, and pre-DMCA, YouTube would have had no protections.

[1010100101 → nknight]

And without a fair use exception to copyright, search engines like Google could not show matching web site excerpts in their results.

Imagine search engine results that consisted only of URL's.