Not to mention occasionally malicious. Of the people I've known who have gotten viruses in the last 5 years, a majority of them were from compromised ad hosts a

Not to mention occasionally malicious. Of the people I've known who have gotten viruses in the last 5 years, a majority of them were from compromised ad hosts and/or malicious ads. In fact, there was one a week or two ago from Yahoo[1], of all places. [1]http://news.cnet.com/8301-1009_3-57616617-83/yahoo-users-exposed-to-malware-attack/ http://news.cnet.com/8301-1009_3-57616617-83/yahoo-users-exp...