The definitive Digiday guide to what’s in and out at Dmexco this year
![](https://digiday.com/wp-content/uploads/sites/3/2017/09/cologne-cathedral-copy-copy.jpg?w=1030&h=579&crop=1)
The digital marketing industry’s tentpole global event Dmexco kicks off today (Sept. 13) in Cologne, Germany. Much has changed in the world of ad tech, publishing and marketing in the last 12 months. Here’s what’s in and out this year.
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