Google announced that they will stop further development of Google Wave. Although the service will remain active.
What is Google Wave ?
Google Wave was an online software application product from Google, which Google described as “a new web application for real-time communication and collaboration.
Urs Hoelzle , Google senior vice president of operations, Wrote
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