To be honest with the size of the Google content network this feature is pretty late in coming. From experience I know the majority of clients pay per click campaigns are opted out of the content network (by client) because they perceive it as too general, despite it actually producing pretty good results most o fthe time conversion wise. I wish Yahoo would follow Adwords lead here!
Adwords content exclusions
To be honest with the size of the Google content network this feature is pretty late in coming. From experience I know the majority of clients pay per click campaigns are opted out of the content network (by client) because they perceive it as too general, despite it actually producing pretty good results most o fthe time conversion wise. I wish Yahoo would follow Adwords lead here!