Most Web 2.0 tools are discussed at length in terms of their application to the learning process. While there is much that can be learned from using these tools in instruction, there are also principles upon which that use rests that have long been the goals of instruction at various levels. In other words, while the tools may change, the goals of teaching and learning remain much the same.
What is a great advance, however, is how quickly and effectively some of these instructional goals can be met while using newer technology tools. The Wiki is one such tool. Read article.