Can site blocking help fight online piracy?

With the proliferation of different ways to access pirated content, does site blocking have any impact? That was a question I received during a recent piracy panel discussion. Let’s have a look to see if it does.

What is it?

Put simply, site blocking is a technical means by which Internet Service Providers (ISPs) can disable consumer access to target sites. This can be by using DNS based -, Url- or IP blocking capabilities.