Esri event videos are great for seeing what is possible and
what is coming. Videos from the recent Esri Federal Conference are now online: http://www.esri.com/events/federal
4 videos that may be of interest:
Our Technology (3:42) -- high-level presentation of our technology
Landscape Apps (7:49) -- powerful analysis of landscape content, in a browser
ArcGIS Pro (11:42) -- new app coming this summer
3D Everywhere (4:56) -- totally cool! 3D in a standard browser