<p>They'd be good for Quora or Yahoo answers or somewhere like that&mdash;indeed see <a href="https://www.quora.com/What-are-currently-the-hot-topics-in-Machine-Learning-research-and-in-real-applications" rel="nofollow">https://www.quora.com/What-are-currently-the-hot-topics-in-Machine-Learning-research-and-in-real-applications</a> &mdash;but these rather soft questions that seem to invite anyone &amp; everyone to add their two pennorth to an ever-growing number of answers aren't generally seen as being appropriate for Stack Exchange sites, which encourage a focus on specific, practical, problems that people face when doing &amp; learning.</p>
