The suggestion "Don't charge the same IP address more than once in a certain time period (e.g. 24 hours)" is clearly broken. For people at work in larger compa

The suggestion "Don't charge the same IP address more than once in a certain time period (e.g. 24 hours)" is clearly broken. For people at work in larger companies, there can be thousands of users that all appear to have the same IP address. You can only charge once per day for all of them? As the reddit posting points out, there are plenty of other ways to determine that a click is fake (no css or images loaded, etc).