'I heard it through the grapevine $...$'The 'grapevine' is a well$-$known source for organisational gossip and news. Some managers see this facet of human behaviour as a destructive element within an organisations communication network. Other managers acknowledge the existence of the 'grapevine' and try to work with it$.$ What do you think about the 'grapevine' and as a manager how would you deal with its existence and the behaviours it generates?