http://www.smh.com.au/news/World/Onl...281505819.html
"Like the foes they pursue, online crusaders use the internet's anonymity, speed and international reach. Some work alone and in secret. Others such as Mr Weisburd have put together operations that run almost like companies. Their causes vary from stopping spam, holding companies accountable for poor products or service, investigating murders, and fighting terrorism and other crimes."
A bit of a coincidence, this is an article in today's smh.