Wikis have a variety of uses. The "Book Lovers" wiki was a good example of a working wiki. Because it records the opinions of the contributors, there is no temptation for anyone to tamper with a contribution. No-one is likely to quote these opinions as unchallengable facts. If a wiki is used to record instructions or a manual, it is better to be password protected so that only those with knowledge pertaining to the instructions can contribute. It would be terrible to have an instruction manual which could be changed at the whim of any person using it! Wikipedia is popular with students but tutors have been warning them of the pitfalls of accepting the information without questioning it. Fortunately the fact that the computer is able to record changes which have been made, and users can view these, allows the reader of the wiki to judge it's veracity. There are Wikis which record the protocol for contributing to Wikis.
I particularly like the idea of the Book Lovers siki -an online book club for those who can't attend one. Great for librarians who don't have time to contribute book reviews to the website!!
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