Much as XHTML 1.1 focused on modularization, SVG 1.1 took SVG 1.0 and broke it down into smaller components. SVG Tiny and SVG Mobile use those modules to define subsets of SVG which can be used in devices like PDAs and cell phones. The SVG 1.1 FAQ includes a much better and considerably more vivid demonstration of SVG Tiny and Mobile implementations than is possible here.