Collaboration Drupal Open Source Publishing 
Buzz Marketing for Technology
JUNE 27, 2008
Be notified of new articles and products as soon as we publish them. A tag is a collaboratively generated, open-ended labeling system that enables Internet users to categorize content such as Web pages, online photographs, and Web links. View sample). New Product Alert. Additions to the TechSoup Stock catalog. View sample).
Buzz Marketing for Technology
JUNE 27, 2008
Only some VLEs provide shared file areas and collaborative facilities like chat and discussion forums. On the other hand, in Europe more sites use inhouse and open source implementations (Vuorikari, 2003). These allow custom extensions, which may pave the way for the development of open APIs for connection by PLEs.
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