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A wiki is a website where users can add, remove, and edit every page using a web browser. It's so terrifically easy for people to jump in and revise pages that wikis are becoming known as the tool of choice for large, multiple-participant projects. In this Article: Wikis Work for Big Projects Choosing a Wiki Advantages to Using a Wiki Disadvantages to Using a Wiki Using a Wiki Somewhere, in a dimly lit classroom, a library bench, or in a home study, some lucky so-and-so is writing an essay from beginning to end with no notes. This splendid individual is able to craft entire sections without forgetting by the end what the section was intended to include at the beginning, and can weave a carefully paced argument with thoughts and references collected over a period of months, all perfectly recollected. Neither of your authors is this person. Instead, we need help, and that help comes in the shape of a wiki. A wiki is a website where every page can be edited in a web browser, by whomever happens to be reading it. It's so terrifically easy for people to jump in and revise pages that wikis are becoming known as the tool of choice for large, multiple-participant projects. This tutorial is about how to effectively use a wiki to keep notes and share ideas amongst a group of people, and how to organize that wiki to avoid lost thoughts and encourage serendipity.

Paul Buchheit, the man who built the first versions of both Gmail and Adsense, says the real time web is going to be the next big thing.

But what's the point? What's in it for us, as users? We offer below three models of value that we suspect will be found in the Real Time Web. They are the concepts that underly the vision described above at the top of this post. Those concepts are Ambiance, Automation and Emergence. This is just an initial exploration of ideas, reality will undoubtedly be more complicated shortly. We welcome your participation in thinking about this part of the fast-approaching future of the web.

Excelets are interactive Excel spreadsheets or simulations of mathematical models.

It is assumed that users of this guide are experienced with the use of Excel