Advertisers who check web server logs may find their ads received multiple clicks from a single Internet Protocol (IP) address. This could be a result of:
- Query parsing being used to show geo-targeted ads to users in a different city.
- Incorrect IP address information filtered from Google Analytics.
- Internet Service Providers (ISPs) who assign the same IP address to multiple users.
- Duplicate keywords added to multiple ad groups in one campaign.
The correct answer is:
- Internet Service Providers (ISPs) who assign the same IP address to multiple users.
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