I wish that MFT updates could be done through the connection to my home WiFi router, instead of having to walk a USB memory stick outside when I upgrade. It would be nice if the FE could "phone home" when parked in my garage, and download any update needed.
The mobile hotspot feature can be used to tether to a phone with a suitably meaty data plan. So it allows teenagers to update on the move with their devices connected to the MFT, which forwards the data on via the tethered phone. When you pull into a McD's with free WiFi, only the FE mobile hotspot needs to be connected to the free WiFi, all the teenagers in the back will still be connected to the FE mobile hotspot without noticing the handover.