What PPC Engines do you know about?
Let us start a list:
Google Adwords
Yahoo! Oveture
MSN Adcenter
Miva
Clicksor
Bidvertiser
Search123
Enhance
Looksmart
Epilot
What other ones are out there?
Let us start a list:
Google Adwords
Yahoo! Oveture
MSN Adcenter
Miva
Clicksor
Bidvertiser
Search123
Enhance
Looksmart
Epilot
What other ones are out there?