Complete non-violence is complete absence of ill-will against all that lives. It therefore embraces even sub-human life, not excluding noxious insects and beasts. They have not been created to feed our destructive propensities. If we only knew the mind of the Creator, we should find their proper place in His creation.
I've taken a philosophical position on e-mail. Although I think it's a wonderful communication technology, and it has a lot of good uses, it is abused quite a lot.