I recently had a discussion with a few people on whether one should filter the net or not for his kids. Here are a few thoughts I consider worth sharing.

I've got 3 kids (9, 13, 15), each one has his own laptop since they are able to read (and even before for the last one).

I took, since the very beginning the stance of educating my kids on what can be found and what can happen on the net.  I have also told them to tell my wife or me when they feel offended. I have also showed them how to block unsolicited contact on chats. In fact, I decided to apply to them the same principles that I got throughout my education^[1] . So far, only once was I asked by my youngest one how can she avoid seeing some sites when she does a search, and showed her how to use a filtered version of Google (that was 3 month ago).