I had pretty good click-to-buy success but only at a narrow subject, dedicate vertical sites. In other words selling backup software to the readers of data back

I had pretty good click-to-buy success but only at a narrow subject, dedicate vertical sites. In other words selling backup software to the readers of data backup tech site. GigaOM is a wide subject site and only brand awareness ads would make sense. For click-my-ad-to-buy-my-stuff hopeful advertiser - it's a waste of money.