https://moz.com/community/q/topic/41182/cpc-or-cpm-for-google-display-network/4
That makes sense with regards to Google translating CPM bids, so you cant really gain a benefit of either method - If you pay CPM and get a great CTR, Google...
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https://www.freelancer.com/articles/search-engine-marketing/google-display-ads
Google Display Network is a great way to reach a wide audience, and a powerful tool for remarketing. We show you how to use it.
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https://www.searchenginejournal.com/ppc-101-6-tips-supercharge-google-display-network-performance/183751/
Let's dispel some common Google Display Network myths and learn how you can better use it to expand your reach.
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