Online encyclopedia Wikipedia has long been a strictly non-profit service, but that doesn't mean that unofficial spinoffs have taken a vow of poverty.
One promising wiki project that is based on Wikipedia's guidelines and software is Wikitravel, which formed a partnership a few months back with rival site World66. Both offer a type of wiki-operated challenge to mainstay publications such as Fodor's Travel Guides, analogous to what Wikipedia has done to undermine the dominance of Encyclopedia Brittanica.
The key difference: Travel wikis are planning to turn a profit.
Even wiki naysayers would have to admit at least … Read more