Eli Pariser: Beware online “filter bubbles” (TED Talk)
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Today there are many social media tracking and analytics tools available that can track your performance on social media sites like twitter. These tools are essentially tweet analyzing software that assists a company/individual with various kind of analysis including sentiment,
Learning analytics is the use of intelligent data, learner-produced data, and analysis models to discover information and social connections, and to predict and advise on learning.
http://www.elearnspace.org/blog/2010/08/25/what-are-learning-analytics/