Native ads served by third-party ad tech could be blocked 

Native ads that are placed on the website within the publisher’s internal system, means those ads are treated like any other editorial content on the publishing side of things. These are likely safe from getting blocked. But, ads that appear on the website after being served by ad tech are just as susceptible as other formats to being blocked.
http://www.marketingdive.com/news/native-ads-served-by-third-party-ad-tech-could-be-blocked/406796/