MacBook Air for $142: A Labor Day Steal!

Exclusive Offer: Refurbished MacBook Air at Unbelievable Prices


MacBook Air on a desktop

Back Market Offer: MacBook Air 2017


Refurbished electronic device

Back Market Offer: Back Market currently offers a unique opportunity to get a refurbished 13-inch MacBook Air (2017 edition) starting at just $142. This represents a significant discount for a device that originally cost $1000, and this offer comes just before the Labor Day holiday. If you are looking for a laptop for secondary use for work, study, or travel, this offer is worth considering. Higher-grade refurbished laptops, classified as in "excellent" condition, are available starting at $168. These devices have almost no visible signs of use and batteries that perform efficiently (over 90% health).

Quality Assurance: Back Market ensures the quality of every laptop it sells by installing a brand new operating system, performing a factory reset, and conducting comprehensive hardware and software testing. This offer is a great deal for a MacBook Air 2017, especially for anyone looking for a secondary device or a travel device that can browse the web, stay connected via email, and sync with an iPhone for FaceTime calls and iMessage.

Performance and Connectivity Specifications


Laptop components and technology

Performance: The MacBook Air 2017 comes with an Intel Core i5 processor at 1.8 GHz and 8 GB of RAM, making it a thin and lightweight device that is not only extremely portable but also set a standard for other ultra-portable devices for years to come. Weighing 2.9 lbs, you can easily put it in your bag and forget about it.

Connectivity: The 13-inch MacBook Air features two USB-A ports, Wi‑Fi 802.11ac technology, and Bluetooth 4 support. It is worth noting that this version does not include a Touch Bar but comes with a standard QWERTY keyboard.

Operating System and Applications


macOS operating system interface

macOS Monterey: This version of the MacBook Air runs macOS Monterey, which has been optimized to match this device's components. Although it is not the latest operating system, it offers a core set of applications that make Macs perfectly suited for daily tasks, such as Google Chrome, Microsoft Office, PixelMaster Pro, and of course, AirPlay.

Why Choose Refurbished Devices from Back Market?


Handshake signifying trust and agreement

Back Market Guarantees: Why might you consider buying a refurbished device? First, Back Market offers a 30-day free warranty, no questions asked, in addition to a certified refurbishment program that requires all laptops to be physically inspected by specialists. In case of any defects, they are replaced before being sold.

Battery Life: One of the main concerns is battery life, and for all refurbished laptops, Back Market maintains a battery life of at least 85%. For items of "good" or "excellent" quality, this figure ranges between 90% and 95%. This means the battery has experienced minimal wear and tear, and you won't have to worry about it suddenly running out of charge.

Leading Screen Quality


Laptop screen displaying images

The Screen: The device's 13-inch screen was groundbreaking when it was launched in 2017, and it still looks great today. It features a 13.3-inch widescreen display with a standard 1440 x 900 resolution and 300 nits of brightness.

Important Note: These offers are subject to sale or expiration at any time, but ZDNET remains committed to finding, sharing, and updating the best product deals to ensure you get the best savings.

What is a Knowledge Graph?


Animated knowledge graph showing interconnected data points related to the painting

Use Cases for Knowledge Graphs


Illustration depicting a knowledge graph embedding, showing how entities and relationships are represented as vectors for machine learning applications.

Building a Knowledge Graph


Graph showing the structure of a knowledge graph for data related to the Smithsonian American Women's History Initiative, linking women to their occupations and schools, providing a visual representation of how knowledge graphs are built to connect information.

Challenges in Building Knowledge Graphs


The image shows multiple 3D question marks floating in a conceptual space, accompanied by the words
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