Much like the eBay webpage "bug" which we mentioned previously, there is now a similar issue at ZDNet.
The spammers make it look like a ZDNet link, but redirect to their own pages instead, making the uneducated user think that they are going to a more legitimate site than where they are actually sent. (not to mention possibly get through some spam filters)
I haven't seen this used in getting around blog spam filters yet. But theoretically MT-Blacklist, which is so common on blogs for blocking spam, keeps a list of URLs which it won't allow in comments. ZDNet might be allowed in most blogs, so it might be a way to get by those filters.
That said, there is still a human admin on the other side who can erase those messages.
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