From their announcement:
These pages will enable fans and interested gamers to get information from the writers and developers of the game and to also communicate with other gamers to share photos, events, battle reports. These new pages will also let fans communicate with the Urban Mammoth team and even get advanced news about new miniatures and game releases for Urban War.
You can visit the Urban War Facebook page at:
https://www.facebook.com/pages/Urban-War/354426834569501?sk=wall
You can visit the Urban War Google+ page at:
https://plus.google.com/109661757031483459365/posts