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AdTech

Ad fraud researcher Augustine Fou says the $63 billion invalid traffic estimate undercounts fraud on CPM ads

In an October 16, 2026 column, Augustine Fou argues click-based invalid traffic rates miss impression fraud on CPM buys, because bots paid on ad loads have no reason to click. He sells FouAnalytics and offers no alternative market figure.

MarTech Roundup Editorial 1 min

Why it matters

Budget decisions and vendor claims use the $63 billion figure, so how it was built affects how much fraud advertisers believe they face.

AdTech

Netflix cuts its 2026 ad revenue expectation to about $2.7 billion from $3 billion, citing slower ad product rollouts

In its Q3 2026 letter, published October 20, Netflix lowered its ad revenue expectation to about $2.7 billion from roughly $3 billion. Co-CEO Greg Peters said delays in ad products and partner integrations, not weak demand, were the cause.

MarTech Roundup Editorial 1 min

Why it matters

It shows that building an ad business with outside partners takes longer than announced, which matters when you plan CTV budgets.

AdTech

The Trade Desk buyers gain third-party data targeting on Netflix ads from November; Netflix expands its Conversion API

Netflix and The Trade Desk announced on October 20, 2026 that Kokai buyers can target Netflix ads with third-party or first-party data from November. Netflix also built a Netflix Pixel and expanded its Conversion API to over 20 events.

MarTech Roundup Editorial 1 min

Why it matters

Advertisers have asked for the same audience and outcome tools on Netflix that they use elsewhere on CTV.

AdTech

WebKit says Safari 27 blocks network access to third parties that turn email addresses into persistent IDs

A WebKit post by John Wilander, Charlie Wolfe and Matthew Finkel says Safari 27 blocks third parties that resolve email addresses into persistent IDs. The code change was 11 lines, merged February 13, 2026. Apple names no companies.

MarTech Roundup Editorial 1 min

Why it matters

Email-based identity underpins much of the open-web ad ecosystem, and Safari is a large share of that traffic.

AdTech

Citizen Lab: targeted ads delivered Candiru spyware to at least 45 devices through an ad tech vendor Google had listed

A Citizen Lab report dated October 15, 2026 says ads bought by Israeli firm Discover-Tech delivered Candiru spyware to at least 45 Al Jazeera devices without a click. Google cut the vendor's access in early October.

MarTech Roundup Editorial 1 min

Why it matters

Targeted ads can reach named individuals, so vendor vetting and inventory controls become security matters, not only brand-safety ones.

AdTech

Triton Digital adds Datonics third-party audience data to its ad platform in 12 countries

On October 15, 2026 Triton Digital said publishers can attach Datonics audience segments to audio inventory in the Triton Ad Platform, and buyers can target them, in 12 countries. Segment counts, pricing and match rates were not disclosed.

MarTech Roundup Editorial 1 min

Why it matters

Audio is often sold on context and demographics, so added audience data gives publishers another way to compete for budgets.

AdTech

LG Ad Solutions extends its Magnite deal for three years and opens Home Screen inventory to agentic buying

On October 14, 2026 LG Ad Solutions and Magnite announced a three-year extension. SpringServe stays LG's exclusive CTV ad server and Home Screen inventory becomes available through Magnite's Seller Agent. No financial terms or results were given.

MarTech Roundup Editorial 1 min

Why it matters

It is one of the first named uses of agent-to-agent buying on premium CTV supply, which tests whether agents can replace manual set-up.

AdTech

ADOTAT column says ID5 will stay on Safari’s blocklist while The Trade Desk got a test build 13 days after Apple’s first reply

PPC Land's October 14, 2026 report on an ADOTAT opinion column sets out the 13-day gap between Apple's first reply to The Trade Desk and its offer of a test build, and why ID5 may stay blocked. Apple has said nothing publicly.

MarTech Roundup Editorial 1 min

Why it matters

Identity vendors depend on Safari reach, and a block with no stated reason or appeal makes planning hard.

AdTech

IAB Tech Lab essay says Apple’s Safari blocklist can be updated remotely, but the public record does not confirm it

An October 13, 2026 essay by IAB Tech Lab's Rowena Lam argues Safari's ad tech blocklist has no appeal and can be changed without an OS update. PPC Land found that Apple has not commented and the dynamic list had not shipped.

MarTech Roundup Editorial 2 min

Why it matters

If Safari blocks requests to ad and identity domains, those vendors lose reach on a large share of web traffic and buyers lose signal.

AdTech

Prebid working group proposes reversing the auction so ad servers, including Google’s, bid into Prebid

A proposal previewed at the Prebid Summit in New York would let ad servers bid into Prebid. It aims to be formalised by the end of the first quarter of 2027 and depends on Google integrating with Prebid Server.

MarTech Roundup Editorial 1 min

Why it matters

The remedy order says Google must integrate with Prebid but not how, so the design that wins will decide how much control publishers keep over their auctions.

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