This information seems to be useful in 10074 on the Settings/Network and Internet page.. It shows what on your system is actually using network data.
But it may not last long when Microsoft realizes it shows Data usage by such things as the Free Sudoku game. They may not want the bandwidth...
bandwidth
data limits
data usage
ethernet
free games
internet
limited access
microsoft
network
network management
performance
settingssettingspage
storage settings
system monitoring
user feedback
version 10074
werfault
windows 10