“The mobility has been further bolstered with the collaborative power of Google Apps for Business, as each Woolworths Manager now has a Gmail account."
Woolworths has even integrated a Google App Engine App. The App better connects retail locations with HQ and allows for centralized maintenance requests and communication.
One more interesting fact I learned about the old Woolworths in the US. They're now Footlocker.
Google Enterprise Blog - Australia - Woolworths Goes Google
Computerworld Australia: Woolworths staff equipped with iPads, Google Apps: