Subfolders in Zoho Docs?

Hi,

I was wondering if it is possible to create subfolders in Zoho Docs, so that you could have My Folders > Folder A > Folder B and so on... It would really help in organising my documents.

Also, I was wondering if it was possible to share documents with non-Zoho users by sending them a link enabling access, or can you share only with other Zoho users?

Thanks.