Evolution Of Communication Tools Sketch

A horizontal timeline sketch on off-white sketchbook paper showing the evolution of communication tools from ancient to modern. On the left, tiny ink drawings of cave paintings, cuneiform tablets, carrier pigeons, and handwritten letters; in the middle, printing press, telegraph, telephone; on the right, smartphones, video calls, and futuristic holographic devices. Each object is drawn with simple lines and minimal shading, then lightly colored with colored pencils using visible strokes. Handwritten dates and one-line descriptions appear beneath each icon, with small arrows and dashed lines co