Adknowledge has released performance metrics, based on their purchase of Hydra, that indicate affiliate marketers have taken advantage of both cost per action (CPA) and cost per click (CPC) offers.
The data, covering their three months of joint operations, shows that 81 former Hydra clients are also now running CPC offers, and have generated incremental affiliate revenues in the millions.
They have published a brief on CPC and CPA affiliates.
More details at http://www.prnewswire.com/news-releases/adknowledge-releases-performance-metrics-on-hydra-purchase-105245763.html.