Too many topics, too little time

Line56.com: Wikis, Blogs Won’t Survive:
Mark Harrison, a partner with consultancy Kineo, recently made a presentation on the topic of “E-Learning 2012.” The presentation, made at the E-Networking Event in London, was fairly bold, with Harrison predicting that, “I personally don’t believe wikis and blogs will survive.”
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this line of argument fails. the reasons why blogs and wiki’s will change and transform over time is that humans will find better ways of accomplishing what blogs and wiki’s accomplish.