http://mobminresources.org/story.php?title=will-britain-s-chirp-be-drowned-out-by-google-tone-bbc-news A few years ago I came across one of those rare inventions that make you sit up and go "wow". Chirp was launched in 2012. It's an application that allows you to transfer files between devices simply using an audio signal. Wed, 20 May 2015 23:46:51 UTC en