Apple 现在为用户之前通过 iTunes 商店购买的电视节目提供免费的 4K 升级。此举建立在 Apple 2017 年的早期努力之上，当时 Apple 首次推出了 4K 内容并开始为电影提供升级。 AI
排序理由 现有服务的更新，而非新领域发布。
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Apple 为购买的电视节目提供免费 4K 升级
本文如何被排名
- Signal score
- 0 / 100
- Composite score across the factors below. Higher = stronger signal that this story matters right now.
- Newsworthiness bucket
- Tool
- 现有服务的更新，而非新领域发布。
- Source corroboration
- Single-source cluster
- Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
- Topics
- product
- Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
- AI-industry relevance
- Low
- Off-topic or adjacent — cluster remains reachable but doesn't surface in AI-industry rankings.
- Story freshness
- 93 days old
- Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.
完整方法见我们的编辑标准。
报道来源 [1]
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苹果开始为购买的电视节目提供免费4K升级 2017年，苹果在iTunes商店推出4K内容之际开始推广
Apple starts offering free 4K upgrades for purchased TV shows Back in 2017, Apple began rolling out 4K content on the iTunes Store in conjunction with the launch of the first Apple TV 4K. At the time, Apple also began upgrading previously purchased movies to 4K quality at no addi…