Nicholas Bate gifts us all with a new list:

Zero soda; maximum water.
Zero in-box; maximum filed to category and action list.
Zero lifts/escalator; maximum stairs.
Zero processed food; maximum fresh, local and cooked by self.
Zero blackberry-at-table; maximum great uninterrupted conversation.
Zero mall; maximum small, local & inspiring shop-keepers.
Zero can’t; maximum all things are possible.

He might need to update that Blackberry reference.