GDN is generally bad, worse than FB I've seen lots of money wasted on blogspam websites within GDN (non-retargeting) -- there's a need to be very hands on if y

GDN is generally bad, worse than FB I've seen lots of money wasted on blogspam websites within GDN (non-retargeting) -- there's a need to be very hands on if you don't want to waste money across all display tactics, in my opinion