Blogs are a space where people express their ideas and opinions while a wiki is a contribution of some information to an specific topic but people cannot really express their opinions on it.
Blogs can be a one to many source or a many to many source, wikis are a many to may source because it has many collaborations.
The convergence of blogs and wikis lay in the fact that they both are collaborations in the sense that one of them can express an opinion on something and at the same time help people ("Wal-Mart Tastemakers Write a Blunt and Unfiltered Blog, NY Times, march 3, 2008") to know what to do, and wikis ("An Internal Wiki That’s Not Classified by Noam Cohen. The New York Times, August 4, 2008") since they are a contribution of "knowledge" it helps people in this case to know about the people who were going to be in a meeting, which was a really god thing because they got rid of so much paper wasting, but at the same time they had the uncertainty of who edited the information and if it was accurate or not.
Blogs can be used as a collaboration when it comes to something that affects a community as we could read in the article "Brooklyn Blog Helps Lead to Drug Raid By MICHAEL WILSON The New York Times June 26, 2008", with the help of comments of the neighbors police uncovered a house with dug dealers, that put the neighborhood and the people in danger.
Also it was a good collaboration for Wal-mart, to know what products the customers like and want and which one are not, and most important that the people who actually sell the products had an opinion on whether or not it was a good or bad thing.
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