Out of earshot nearby, lions will be grunting, baboons barking and elephants busy demolishing a tree.

BBC: East Africa��s best kept secret

But true office Machiavellis will be pleased to learn that private chats are also possible, since the software can work out who is within earshot of whom, and will transmit sound only to those who should be able to hear it.

ECONOMIST: Information technology

They are well out of earshot of the main Olympic venues and police permits will be needed (five days' notice required).

ECONOMIST: News from the forbidden Citius, Altius, Fortius

It must have been an unusual experience to be out there as a defense attorney in this case, talking about the verdict within earshot of family members.

NPR: No Model Client: Moussaoui's Lawyer Speaks