Just an interesting read.
"What happens when a tech support scammer cold calls Emsisoft?"
http://blog.emsisoft.com/2014/08/29/what-happens-when-a-tech-support-scammer-cold-calls-a-security-expert/?ref=ticker140829&utm_source=newsletter&utm_medium=newsletter&utm_content=onlineversion&utm_campaign=ticker140829
One of the companies I deal with in regards to anti-malware software played with one of the 'Microsoft tech' scammers.
Enjoy your coffee people!