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Apple 2030 is the company’s ambitious plan to be carbon neutral across its entire footprint by the end of this decade by reducing product emissions from their three biggest sources: materials, electricity, and transportation. iPhone 17e is made with 30 percent recycled content,11 including 85 percent recycled aluminum in the enclosure and 100 percent recycled cobalt in the battery. It is manufactured with 55 percent renewable electricity, like wind and solar, across the supply chain. iPhone 17e is designed to be durable, repairable, and also offers industry-leading software support, while meeting Apple’s high standards for energy efficiency and safe chemistry. The paper packaging is 100 percent fiber-based and can be easily recycled.12
Git packfiles use delta compression, storing only the diff when a 10MB file changes by one line, while the objects table stores each version in full. A file modified 100 times takes about 1GB in Postgres versus maybe 50MB in a packfile. Postgres does TOAST and compress large values, but that’s compressing individual objects in isolation, not delta-compressing across versions the way packfiles do, so the storage overhead is real. A delta-compression layer that periodically repacks objects within Postgres, or offloads large blobs to S3 the way LFS does, is a natural next step. For most repositories it still won’t matter since the median repo is small and disk is cheap, and GitHub’s Spokes system made a similar trade-off years ago, storing three full uncompressed copies of every repository across data centres because redundancy and operational simplicity beat storage efficiency even at hundreds of exabytes.，推荐阅读体育直播获取更多信息
在他们的内部文件里，这项计划有个代号：「巴拿马项目」。一份规划文件写得很直白：「这是我们以破坏性方式扫描全球所有书籍的计划，我们不希望外界知道我们正在做这件事。」