some applicative goodness
some applicative goodness

raventid/coursera_learning,raventid/coursera_learning,raventid/coursera_learning,raventid/coursera_learning,raventid/coursera_learning,raventid/coursera_learning,raventid/coursera_learning,raventid/coursera_learning,raventid/coursera_learning,raventid/coursera_learning