UID 2.0 may not be enough

New Ideas in MarketingEssential news for marketers, summarised by YouGov
March 09, 2021, 5:00 AM GMT+0

Unified ID 2.0 (UID 2.0) could turn into another walled garden, despite intending not to, post-cookies.

UID 2.0, an email-based identifier is under scrutiny by publishers with the option being unviable for long-term investments, as privacy expectations grow. Moreover, with Google stopping support for email-based identifiers, publishers must factor-in consumer consent, before using UID 2.0.

While big publishers have the capability and offer the value to pursue consumers to opt-in, most publishers will find it challenging to convince users. However, industry bodies like the Trade Desk are bullish and believe that with a user-friendly SSO system and education, the identifier could work.

Also, with UID 2.0 needing an administrator, the identifier could likely become centralised. Further, as more consumers use temporary sign-in solutions like “machine generated emails”, publishers would need to assess if an email address is legit or not.

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