Magazines have evolved significantly over time in terms of their content, style, and presentation. Early magazines in the 1700s covered a wide variety of topics but had technical limitations in printing and distribution. Over centuries, magazine covers have increasingly featured attractive models and bright colors to draw readers' attention. Publications like Cosmopolitan, GQ, and Seventeen now show more skin and modern fashions compared to their historically more conservative presentations. Meanwhile, magazines like Time and National Geographic have maintained their simple, recognizable styles while improving print quality. Overall, magazines have modernized greatly in visual presentation while expanding their subject coverage.