Steve Jobs' influence from architect Joseph Eichler can be seen in Apple's design, including the use of glass in iPhone screens.The rumored iPhone 20th-anniversary redesign may feature increased use of glass, potentially removing the bezel for an all-glass design.Jobs valued mass-produced beauty and Apple's iconic designs reflect his love for exquisite materials like glass.Gorilla Glass, commonly used on phones, is not as scratch-resistant or resilient as metal or plastic, making an all-glass iPhone a risky choice.The fragility of an all-glass iPhone could lead users to protective cases, undermining the purpose of a sleek design.Apple may release a 'Special Edition iPhone 19' with an all-glass design to celebrate the iPhone's anniversary, despite potential durability issues.The shift towards durability and functionality in smartphone design challenges the significance of aesthetic materials like glass.Despite the risks, an all-glass iPhone could cater to collectors and be displayed in museums or special Apple Store showcases.The increasing focus on features, performance, and photography in smartphones diminishes the emphasis on aesthetic materials for differentiation.