**Part I**

Last decade, digital goods and the Web have transformed the patterns of production, exchange and consumption. The value creation mechanisms in this new economy are based on knowledge, creating the so called "knowledge-based" economy. In the "Economics and Business in the Web" part of the course we identify the fundamental elements of this new economic environment in micro and macro level.

**Part II**

MathML is intended to facilitate the use and re-use of mathematical and scientific content on the Web, and for other applications such as computer algebra systems, print typesetting, and voice synthesis. MathML can be used to encode both the presentation of mathematical notation for high-quality visual display, and mathematical content, for applications where the semantics plays more of a key role such as scientific software or voice synthesis.