Google Begins Its Defense; WhatsApp Is The New Publisher Traffic Source | AdExchanger
Briefly

During the US vs. Google antitrust trial, witness Kendall Oliphant revealed the Census Bureau spent $364 million on ads for the 2020 Census, demonstrating significant advertising investment in public outreach.
Google argued in its defense that advertisers are channel-agnostic, allowing for fluid budget allocation across different formats, suggesting robust competition across a broader advertising landscape beyond just display ads.
WhatsApp Channels, which allows publishers to share content directly with followers, has quickly ranked as a major traffic source, especially valuable due to its international audience, thus transforming engagement strategies.
Despite WhatsApp's growing influence, publishers face challenges in building audiences since effective engagement requires users to actively opt-in for push notifications from Channels.
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