PPC fraud: are you worried?

If you’re involved in PPC management, you almost certainly should have heard of “click-fraud”. In fact, you might even have encountered some rather suspicious click-though rates, as the SEW forums moderator Sebastian mentions here.

However, what you should be more particularly worried about is that mediapost reports here that Clicklab - a web analytics provider - is encountering click fraud rates of over to 50%.

If you’re in PPC management, are you worried?