I got this on Google+ today in the Hot Trends posts area.
"Advertiser leaving Facebook after discovering that 80% of the clicks they’re paying for are from ‘bots."
The post in FB from, https://www.facebook.com/limitedpressing/posts/209534972507958, points out how they did the tests to check if the clicks were real and they are valid (even then they could mislead).
Testing if a client has javascript will surely confirm that the user can have an analytics solution working. The remaining of the clicks can only come from either bots or mobile devices (phones). There is an old trick that you can do analytics so it works with mobile phones and that doesn’t require javascript. Either way, you would be able to verify if the source is a bot or not by checking the user agent.
Needless to say that a smartphone will run javascript so that will considerably diminish the odds of a non javascript click have come from a mobile device.
Can’t tell if what the post say is true, but if so, that doesn’t justify the means to increase clicks on an area with a low heat index.
This post actually made me want to run a couple of tests with FB just to see if it is true or not, therefore, I’m not in a mood to spend money on any of this.

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