What do you think are the major emerging applications of 5G commercially?
Top 6 work Areas for Emerging Applications are as follows:
D2D Communications
M2M Communications
Internet of Things (IoT)
Advanced Vehicular Communications
Health Care & Wearable
Others are Miscellaneous Applications
Key points and challenges for the above discussed work Areas are listed below in the table. Take a look below.

source : http://www.techtrained.com/what-are-the-emerging-killer-applications-of-5g-wireless/