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Just for clarity, Hipchat users were strongly encouraged to move to Slack because slack purchased Hipchat from Atlassian.

Only because Atlassian abandoned HipChat after trying to replace it.

> HipChat was shut down by Atlassian

Not entirely accurate. It's was bought by Slack, and then shut down.

Didn't they just buy the userbase? I don't think they bought the technology - they also made a lot of devs redundant after the purchase?

I'm not sure the exact details of the purchase, I just know that a deadline was placed on our HipChat installation at work (it would not be renewed, and only supported until date X).

It seems their ultimate goal was to shut down a competitor, so, with the result being the same, I suppose the specifics matter very little.

They bought the IP, not the product.

Another thing that happened is GitHub acquired both Gitter and Spectrum. Gitter deprecated its mobile app. Spectrum's founder has been working on other stuff at GitHub. Microsoft has Teams so that might have something to do with it.

Gitter was acquired by Gitlab, not Github.