Adobe Illustrator CS5 video tutorials are produced by "52 Self-study Network" for graphic designers and students in colleges and universities. The tutorials are easy to understand and comprehensive. Whether you are a beginner or a senior designer, you can find suitable content from this tutorial. Illustrator, also known as AI, is a professional vector drawing tool launched by Adobe (Australia) company in the United States, covering publishing, multimedia, logos, cards. , Industry standard vector illustration software for character design, business illustration, VI, web design, advertising, packaging, product design, display design and online graphics.