Google took an important step on Monday in the development of Google Wave, opening its servers up to outsiders who want their own waves to communicate with the outside world. Wave servers belonging to Acme and Initech can now talk to each other with the opening of Google Wave federation. (Credit: Google) A “wave” is a stream of messages that blends traditional e-mail, instant messaging, file sharing, and workplace collaboration tools. There have been plenty of supporters and detractors of Google Wave, Google’s bid to reinvent e-mail as a combination of such services. But Google’s implementation of Wave is going to be only one part of the story : outside developers will have the opportunity to build their own wavelike services using the Google Wave API set. And those outside implementations will be able to communicate with each other using the Google

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Google opens up Wave federation