On Jan. 27th, 2011, Meetup.com launched a secret project code named 'Mayhem Mode'. They substituted the user interface of their platform with a new one. They called this new user interface 'newmeetup'.  Later it was revealed that this substitution was the outcome of a secret project.  It was also acknowledged that this switch would cause some meetup groups to 'fail'.They made a wholesale change the user interface of meetup groups around the world. Many organizers were very upset with this an …