Apple has unveiled a new MacBook Air, boasting improved performance while maintaining its signature design. The laptop is powered by Apple's M4 chip, marking the latest addition to the M-series chip lineup.The M4 chip is likely to bring significant upgrades to the laptop's processing capabilities, potentially making it more appealing to users who require powerful computing foesource-intensive tasks. However, concerns about energy efficiency and sustainability may arise due to the increased power consumption.Customers now have a choice between two display sizes: 13-inch and 15-inch. While this flexibility may cater to diverse user needs, it also raises questions about over-customization and potential fragmentation in the market.