The Online Publishers Association (OPA) today announced the results of a study that provides marketers with a new guide for understanding and quantifying the best online advertising environments. "The OPA Advantage: Attracting the Most Valuable Buyers" is a detailed analysis of the demographics and purchasing activity of Web users.

International 'Going Mobile' Report Shows Consumers are Watching Mobile Web Ads and Acting on Them. As more ad dollars are spent online, there exists a very real question of which Web environments are best for advertisers.