El Reg have a follow up article AVG fake traffic spares Google AdWords confirming that LinkScanner does not ‘click’ Adwords links, it follows them but parses out the ‘real’ URL behind the sponsored link.
The article fails to mention if this is true for all PPC providers though. I know clients who’ve seen an increase in Yahoo!/Overture spend since this came about.
Anyone have any further clarification?
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OSBlues 