作者:Susanna Kan 16 年以前
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                        Blackboard and Ning
                        
                        
                            
                            
                         
                     
                 
             
            
                
                    
                    Blackboard and Ning
share information
discuss ideas
collaborate with classmates
esay to use
Blackboard
takes several steps to upload a file
does not forward email messages
cannot retrieve information of old courses
jump through the hoops to register for classes
post course syllabuses and weekly modules
discussion topics are divided into sections 
shows users new messages and new discussions
Ning
advertisements that are not related to the networks to distract users
cannot divide discussion topics into sections
upload pictures, videos, and files easily
shows recent activities 
forward email messages and comments
inviting environments display users' pictures
registration process is simple