https://learner.coursera.help/hc/requests/new
http://www.dessci.com/en/products/mathplayer/
https://www.coursera.org/
https://www.coursera.org/courses
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https://class.coursera.org/datasci-002/class/preferences
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https://class.coursera.org/datasci-002/wiki/ClassVirtualMachine
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https://class.coursera.org/datasci-002/quiz/index?quiz_type=survey
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http://www.nytimes.com/2011/09/30/science/30twitter.html
http://arxiv.org/pdf/1010.3003&embedded=true
http://cliffmass.blogspot.com/2012/07/thunderstorm-fest.html
http://www.ccs.neu.edu/home/amislove/twittermood/
https://dev.twitter.com/docs
http://www.codecademy.com/tracks/python
https://developers.google.com/edu/python/
http://www.python.org/download/
https://spark-public.s3.amazonaws.com/datasci/Coursera-Data-Science-Ubuntu.ova
http://docs.python.org/2/library/stdtypes.html#str.encode
https://developers.google.com/edu/python/
https://class.coursera.org/datasci-002/wiki/GithubInstructions
http://pypi.python.org/pypi/oauth2/
https://spark-public.s3.amazonaws.com/datasci/Coursera-Data-Science-Ubuntu.ova
https://dev.twitter.com/apps
https://dev.twitter.com/docs/auth
https://dev.twitter.com/docs/api/1.1/get/search/tweets
https://dev.twitter.com/docs/streaming-apis/messages
https://dev.twitter.com/docs/platform-objects/tweets
http://docs.python.org/2/library/stdtypes.html#typesmapping
https://dev.twitter.com/docs/platform-objects/tweets
https://dev.twitter.com/docs/platform-objects/tweets
http://www.cs.cmu.edu/~nasmith/papers/oconnor+balasubramanyan+routledge+smith.icwsm10.pdf
http://code.activestate.com/recipes/577305-python-dictionary-of-us-states-and-territories/
https://dev.twitter.com/docs/platform-objects/tweets
https://dev.twitter.com/docs/platform-objects/tweets