Bought by Google. Exchange "mobile flyers" with friends in a trusted manner. Nothing to install."With Zingku, things you wish to promote or share, can easily be created and fetched via mobile, instant messenger, and web browser. Our service integrates your mobile phone with a personalized web site so that you can easily move (zing) things back and forth between the web and and your mobile as well as powerfully connect with friends and optionally their friends. "