Google to stop one of their product named Google wave by the end of this year. Google wave was hyped as an email killer which allows real time online collaboration tool which showed character-by character typing and more.
Due to lack of user interest Google will be stopping Google wave.
But despite these wins, and numerous loyal fans, Wave has not seen the user adoption we would have liked. We don’t plan to continue developing Wave as a standalone product, but we will maintain the site at least through the end of the year and extend the technology for use in other Google projects. The central parts of the code, as well as the protocols that have driven many of Wave’s innovations, like drag-and-drop and character-by-character live typing, are already available as open source, so customers and partners can continue the innovation we began. In addition, we will work on tools so that users can easily “liberate” their content from Wave.
Read more here