On September 24, 2018, we announced that Astro was acquired by Slack! Slack is the maker of the fastest-growing enterprise app in history, and we’ve joined to help connect email and calendaring to all the work teams do in Slack. As also communicated that day, as of Wednesday, October 10, we’ve shut down our Astro apps for Mac, iOS, Android, Amazon Alexa, and Slack. For prior users of the Astro app
![Astro: Bringing Intelligence to Workplace Communications](https://cdn-ak-scissors.b.st-hatena.com/image/square/3d71ae141b8824a15a46cf0d5a233dc030fa6e6b/height=288;version=1;width=512/https%3A%2F%2Fastro.ai%2Fwp-content%2Fuploads%2F2017%2F01%2FAstro-Facebook.png)