The themes on wikis are generally clear and firm. The site's content requirements a high degree of correlation. Writers and participants should comply with seriously. Wiki collaboration takes denotative and connotative extension for a theme, and solve a problem very fully and deeply. Compare with these, blog has non-variations on themes, and it is generally spread by concern of few people. Blog site will have a theme, but it is often loose, and generally will not deliberately control the content.
Wikis are used most in co-writing of the document or writing books. Especially for the FAQ of technical program development. It is more suitable to show that on wikis with collaboration. Blog also has the meaning of collaboration, but it generally refers to users focus on completely different content. This collaboration in terms of content is relatively loose. You can show any person, any sites to blogs.
Blogs help to share your ideas to other people. Blogs do collaboration when you show out a theme or an idea, then you communicate with your audience and having their respond. People can learn what you think from that and may apply your learnings to their own. Many organizations prefer to use blogs as collaboration tools to share data, information, and knowledge among employees and consumers. For example, consumers can post some messages or feedback about the products and services on blogs. The companies are interested in how the consumers feel their products, and what suggestions theny give to improve the products. In Wal-Mart Tastemakers Write a Blunt and Unfiltered Blog, NY Times, march 3, 2008,
p. C1, it states "Their decisions about what makes it onto Wal-Mart’s shelves have enormous impact, earning (or costing) vendors millions of dollars. A blogger who first disclosed last month that Wal-Mart would stock only high-definition DVDs and players using the Blu-ray format, rather than the rival HD DVD system. The decision was considered the death knell for HD DVD." Also, the feedback from old consumers helps new buyers get information about the products. "Wal-Mart says the Web site helps buyers solicit quick feedback from consumers on the merchandise."
