The document traces the history and evolution of printing technologies from ancient China in the 600s AD to modern digital printing. Key developments include Gutenberg's printing press in the 1450s, the spread of printing to Europe in the late 15th and 16th centuries, steam-powered printing presses in the late 19th and early 20th centuries, and the transition to technologies like letterpress printing, lithography, and digital printing in the 20th century. The document also notes that inkjet printer ink costs significantly more per milliliter than champagne.