The statute creates a safe harbor for filtering “material” that is “obscene, lewd, lascivious, filthy, excessively violent, harassing, or otherwise objectionable.” One of the rules of interpreting statutes is that you interpret the scope of catch-all terms in a list consistently with the preceding elements. The preceding elements refer to pornographic or violent content. That would suggest that you shouldn’t interpret “otherwise objectionable” to include things like adware or spyware.