You've heard of planning poker - but what about Planning Croquet? Squeak News spoke to Mark Shuttleworth, Ubuntu founder, about that:

One area where he sees this happening is in real-time collaboration. E-mail is widely used as a collaborative tool, but has severe limitations. When a team, such as a group of software developers, wants to work together on something in real time, something more elaborate is needed. Mr Shuttleworth points to an open-source platform called Croquet, an immersive environment that is similar in many ways to Second Life, a popular online virtual world. “You can see your collaborators’ avatars looking at a spreadsheet in a virtual room,” he says. “People change things in different colours -- newer stuff glows. We’ve started to use this for planning and building Ubuntu.”

That could make planning fun :)

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