The first time I've heard about Atom was here: https://medium.com/p/433852f4b4d1
+1, an about page wouldn't go amiss either. I still don't know what it is.
[edit] Wow, downvoted. I just want to know what it is by visiting the website quickly. It's not a lot to ask.
https://atom.io/
The first time I've heard about Atom was here: https://medium.com/p/433852f4b4d1