A business runs Adobe Target and sees discrepancies in personalization delivery for users visiting their website from multiple devices. What is the best solution to unify user profiles across devices?

Question

Options

• AUse Adobe Audience Manager segments.
• BLeverage Experience Cloud ID Service.
• CIntegrate a CRM system.
• DImplement first-party cookies for tracking.

• A
  6% (3)
• B
  78% (39)
• C
  14% (7)
• D
  2% (1)

Explanation

Experience Cloud ID Service (ECID) is Adobe's identity backbone that assigns a persistent, universal visitor ID recognized across all Adobe Experience Cloud products - including Target - allowing it to stitch together behavioral data from multiple devices into a single, unified profile for consistent personalization.

• A (Audience Manager segments) is wrong because AAM helps segment audiences but doesn't resolve the cross-device identity problem on its own; you still need a unified ID to merge device sessions.
• C (CRM integration) can enrich profiles with offline data but requires a known identity (like an email login) - it doesn't automatically unify anonymous multi-device visitors.
• D (First-party cookies) are device-scoped by nature; a cookie set on a laptop won't exist on a mobile browser, so they actually cause the fragmentation problem rather than solving it.

Memory tip: Think "ECID = one ring to rule them all" - it's the single ID layer that all Experience Cloud tools (Target, Analytics, AAM) share, making cross-device unification its primary job.

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