Twitter spam: IAC WebFetti

I received an e-mail from a friend earlier, alterting me to possible malicious content over on Twitter (surprise surprise), and what I found actually did surprise me for a change.This spam run didn't lead to a worm, trojan, virus or other infection - but to an IAC website, webfetti.com.One thing they all have in common, aside from the IAC connection? Well, that would be Twivert. A site that