The original title is about Next.js 16 Cache Components, use cache, PPR, and when to use each. Let me rewrite this for a mobile feed.

Short summary

Next.js 16 ships Cache Components, stabilizing Partial Prerendering with a new 'use cache' directive. Routes now mix three content types: static (build-time HTML), cached (async data with revalidation), and dynamic (per-request data in Suspense). The 'use cache' directive replaces unstable_cache with automatic cache key generation and configurable revalidation profiles.

• •Cache Components replaces experimental PPR with a single config switch
• •Three content buckets: static, cached (use cache), and dynamic (Suspense)
• •Tag-based invalidation with updateTag vs revalidateTag for different freshness needs

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