For many people, OpenX is the ad server they use every day, perhaps without giving it a lot of thought. They might not realize that a community of people work on OpenX software daily, enhancing and improving it.

Scott Switzer is OpenX’s founder and community leader. Scott put together a team 6 years ago to make OpenX a world class ad server, and he continues to lead the OpenX community and get them involved in creating this unique online ad serving product.

Erik Geurts is a longtime member of the OpenX community, and his full time job is consulting for companies who need help with OpenX. The chances are high that you have read Erik’s posts on the forum or his blog!

Scott and Erik will be in Amsterdam for an afternoon of questions and answers, road map discussions, and feedback sessions. Please come and meet Scott and Erik in Amsterdam on Thursday, March 26. This is a perfect opportunity to share your stories about OpenX, ask the questions you had on your mind for a long time, and meet other OpenX users.

This free informal event will start at 3 PM and will last until approximately 7 PM. The location is Cafe De Jaren, Nieuwe Doelenstraat 20-22, 1012 CP Amsterdam.

A quick reminder of the practical details:

• Event: OpenX informal community session
• Date: Thursday, March 26, 2009
• Time: from 3 PM until 7 PM
• Location: Amsterdam, Café de Jaren, Nieuwe Doelenstraat 20-22

There is no registration, but you are free to post a comment below if you plan to join us. Also see the announcement on LinkedIn

Measuring cost per action advertising

In the first article in this series, I suggested changing the pricing of advertising campaigns based on impressions to pricing them based on the number of clicks. And in the second article, I went a little bit further and argued that it might be even better to agree on a cost per action pricing scheme.

If an advertiser is considering ending an impression based or click based advertising campaign, a publisher could try to turn the relationship into a partnership by offering CPA (cost per action) advertising. In that scenario, the site publisher will get paid for a specifically defined outcome that the advertiser is aiming for.

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