The purpose of the contest is to identify a particular type of highly sophisticated fraud that appeared in a pay-per-click advertising program. The fraud targeted one advertiser only. The small spreadsheet with the fraudulent click data can be downloaded at here. Your answers should be emailed to vlg @ datashaping.com.
The two questions are
Why are these clicks fraudulent?
What type of click fraud is it?
You can check references such as our click scoring blog to help you answer the questions.