Given the endless attention paid to the looming end of third-party cookies, it’s in some ways amazing that so many companies remain unprepared.  Yet this analysis of traffic on the 33across ad exchange shows that cookies still drive about 75% of programmatic ad revenue, although the share is falling.  Lots of industry detail here.

We’ve written before about streaming video providers switching from subscriptions to an ad-based model.  One issue that raises is ad measurement.  To address that, Netflix has just integrated with Nielsen One Ads, which provides viewing metrics for digital ad campaigns.

PayPal, sitting on data from millions of users, has entered the ad business with a new division headed by Mark Grether who formerly led advertising at Uber. Earlier this year, it launched Advanced Offers, using AI and company data to help merchants target PayPal users with personalized offers. Unlike Advanced Offers, the new ad product will be available to brands that don’t sell products or services through PayPal.