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-- Pay Per Click Engines
---- Any PPC Companies Offerings Backup Tags?
kevinashby - 10:07 pm on May 18, 2010 (gmt 0)Thread source:: http://www.webmasterworld.com/ppc/4111294.htm
You could try something like OpenX. This offers you the option of serving ads from many different vendors, although I am not sure if it completely fits your requirements.
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