<https://howtowebmaster.com/launching-soon-wso-case-study-2-penny-per-click-version-2/>
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"[Updated 8-16-2014] Penny Per Click Version 2.0 Launch + WSO Case Study #2 - HowToWebmaster.com"
<https://howtowebmaster.com/launching-soon-wso-case-study-2-penny-per-click-version-2/>