Which is the most interesting, latest, and easy Machine Learning project available now? - Quora

Which is the most interesting, latest, and easy Machine Learning project available now? What is the most I/O(more interested in write I/O) bound machine learning algorithm? What are the best sources to pick up projects for beginners who are interested in the field of machine learning and data science? What is the best or most interesting aspect of machine learning to work in? What are some of the most interesting machine learning ideas that you came up with that were unsuccessful?