We do not extrapolate, we count visitors

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To illustrate some of the difficulties associated with counting and measuring, consider a statistic that tells you how many people voted in an election. Counting votes is a difficult process and re-counts are often undertaken and it's not unusual to reach different totals every time.

When polls are released, the number presented is an extrapolation, based on a percentage of people contacted by phone, or asked at the door for whom they voted.

Opentracker does not extrapolate, but presents trends derived from actual clicks. This is how we try to narrow the margin of error. We use optimization techniques based on cookies and visitors to improve our accuracy.

When the trends presented are derived from actual clicks, the margin of error will be narrowed. Traffic measurement techniques based on cookies improve accuracy.