Frankly, there are already other proxy servers that internet users in Iran are using safely. I don’t see why Haystack was even needed. Now it turns out Haystack may have endangered users. Very sad. Not good.
Tor developer criticizes Haystack http://www.wired.com/threatlevel/2010/09/haystack
http://haystacky.s3.amazonaws.com/www.oblomovka.com/wp/2010/09/14/haystack-vs-how-the-internet-works/index.html
