Good news for those of you now in the Springs this week for DevSummit as Esri has started posting some of the videos from the event – enjoy!
2015 Esri #DevSummit Videos
Enjoy the plenary sessions videos and about 12 presentations so far including talks on topics like Tech Ed, the ArcGIS platform, smart mapping, 3D, and much more
http://video.esri.com/series/226/2015-esri-developer-summit-plenary