| Aspect | 1990s | Today |
|---|---|---|
| Style | Postmodern and practical, often with decorative stone or brick facades. | Futuristic and minimalist, dominated by glass-and-steel supertalls. |
| Materials | Concrete, brick, and early glass curtain walls. | Smart glass, recycled steel, and eco-friendly materials. |
| Focus | Commercial offices and corporate landmarks. | Mixed-use towers and residential skyscrapers with public spaces. |
| Technology | Hand drafting and early CAD tools. | BIM modeling, AI-assisted design, and 3D printing. |
| Symbolic Buildings | Twin Towers, Empire State, Chrysler Building. | One World Trade, Hudson Yards, Billionaires’ Row. |
| Urban Ethos | Function and business-driven growth. | Sustainability, inclusivity, and walkability. |