How does that help any? Everyone can now vote more often than before! The majority of people currently have one vote, but you just gave them a second vote.

If I'd make a change, it would be to give the following results:

+--------------+-----------+------+--------------------------------+
| IP Address   | User      | Vote | Comments                       |
+--------------+-----------+------+--------------------------------+
| 192.168.1.10 | vcTheGuru |  Y   | First instance of IP and user. |
| 192.168.1.10 | Anonymous |  N   | IP already voted.              |
| 192.168.1.10 | tye       |  N   | IP already voted.              |
| 192.168.1.10 | Anonymous |  N   | IP already voted.              |
| 192.168.1.11 | vcTheGuru |  N * | User already voted.            |
| 192.168.1.11 | Anonymous |  Y   | First instance of IP and user. |
| 192.168.1.11 | tye       |  N   | IP already voted.              |
+--------------+-----------+------+--------------------------------+

[download]

The * marks the only change from the current setup.

However, the gains from this change are *very* minor: It would force the "cheat" to logout to place any vote after the first. It won't stop him from placing as many votes as he has IP addresses. It's not worth the effort.

In reply to Re^3: Could vote multiple times in voting booth (shock) by ikegami
in thread Could vote multiple times in voting booth by atemon

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