[notreallyserio]

> Wave didn't have any momentum at all, it was dead mere weeks after release.

That's what happens when you make a collaborative tool invite only and severely limited the number of invites you can send out. What a truly bizarre choice.

[deepsun]

Worked extremely well with GMail.

[Sophira]

GMail is not a closed platform like Wave was, though. In fact, it's one of the few tools Google offer that's designed to let you communicate with people who aren't on a Google platform.