B2B Must-Know | The Difference Between Demand Gen and Legacy Video Ads

Publish date:Jun 17, 2026
Author:Easy Yingbao (Eyingbao)
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ManyB2B foreign trade and factory advertisers are wondering: Has Google Ads truly removed video ad categories in the backend? The answer is clear: In 2025, Google has fully sunset the new YouTube video ad campaign, and the existing video ad campaigns will also be forced to migrate. Now everything is unified under Demand Gen ads. This is not the same as the old video ads; let’s make the adaptation logic clear.

First, the core similarities are the same: it still follows the original four major advertising objectives, and the B2B full-funnel customer acquisition logic remains unchanged. Brand exposure builds industry authority, intent-based campaigns nurture leads, traffic objectives drive visitors to the website, conversion objectives generate inquiries, and billing, audience optimization logic, and old video ads are basically compatible, so existing campaigns can be migrated seamlessly.

Second, the core difference is also the key to B2B advertising: first, the traffic is broader. Old video ads only ran YouTube long-form videos, while Demand Gen also reaches YouTube short-form videos, Gmail, and Google Discover, touching overseas procurement decision-makers across multiple channels; second, it is more intelligent, with AI prioritizing high-intent B-side enterprise audiences, resulting in higher inquiry accuracy.

Third, the delivery restrictions are different: old video ads could be run purely as video ads, while Demand Gen requires image and cover creative assets; fourth, the survival rules: old video ads can still finish running normally, but cannot create new campaigns. New B2B lead-generation projects must build Demand Gen ads.

Short summary: the target use case remains the same, but the traffic channel has been upgraded, and Demand Gen is the iterative upgrade version of old video ads. If you do not understand account migration or do not know how to build B2B creative assets, feel free to work with us to compliantly and efficiently handle overseas precise purchase inquiry generation.

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