From their shutdown blog post [0], it looks like they gave users just 9 days warning before they deleted all user data. Also, the login link (still present in the header) takes you to a page they seem to have forgotten to add content to [1].

[0] http://blog.do.com/post/157299307009/announcing-our-next-cha...

[1] https://www.do.com/login

I'm curious how much of this startup value is just in domain name.

I wonder how much they got acquired for. It seems to have been in an early stage? 2-10 employees from the screenshot in the article.

google g suite competition? next add file collaboration or buy dropbox. mailbox chat ...

That headline is incredibly hard to parse.