Just go to the link. You automatically get an ear. Share around your ear and whisper. When your ear expires, either renew it or get a new one. Kill a current ear and get a new one anytime!
About
Whispers! Send and receive all anonymously, whispers from your friends or to whoever finds your ear. Create a new ear once you have an expired one, or keep the same address. Experience communication from strangers, friends posing to be strangers, or sharing secrets with your friends. Whispers will not encourage the illegal use of its services, as a result, reporting systems will be implemented.