Comparing a Twitter discussion with a BlackBoard discussion, the immediate difference is that Twitter has a limit of 280 characters long while Blackboard is unlimited. With this limitation on Twitter, it makes it hard to have a discussion because the person is limited to what they can say and therefore is unable to be extensive with their explanation of their views or examples that they are making. Comparing a Twitter discussion and a BlackBoard discussion with an in-class discussion, there is no comparison to make. Having an in-class discussion allows the person to express themselves fully without any limitations like Twitter does or without any repetition with BlackBoard when everyone is posting their own discussion statement and will probably have similar thoughts.
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