water cooler
[ noun ] a dispenser of cooled drinking water, typically used in office workplaces.
[as adj. ] informal denoting the type of informal conversation or socializing among office workers that takes place in the communal area in which such a dispenser is located : a water-cooler chat about the president.

Every company IS a network of conversations.  Take away the chairs, tables, and products and what you are left with is people talking.  That’s it.  To impact what is possible in the company – impact the conversation your company is.  Want to know what the conversation your company is?  Stand around the watercooler and LISTEN.