The Dallas R Users is doing a hackathon on the Allen AI Challenge. It is an interesting problem that differs a lot from the typical predictive machine learning types of challenges. This challenge exposes that there is still a lot to develop and learn about AI.<p><a href="http://www.meetup.com/Dallas-R-Users-Group/events/227902046/" rel="nofollow">http://www.meetup.com/Dallas-R-Users-Group/events/227902046/</a>