Yes, that is not a typo. Microsoft is offering unlimited storage on OneDrive for Office 365 subscribers.
This news was released via their blog here – https://blog.onedrive.com/office-365-onedrive-unlimited-storage/
“Today, storage limits just became a thing of the past with Office 365. Moving forward, all Office 365 customers will get unlimited OneDrive storage at no additional cost. We’ve started rolling this out today to Office 365 Home, Personal, and University customers. “
What about OneDrive for Business? That will be coming in 2015! – http://office.microsoft.com/en-us/products/office-365-roadmap-FX104343353.aspx
“We are announcing the removal of current limits on external users for all SharePoint Online plans. Specifically, the changes will be as follows. The external users limit for Office 365 Small Business and Small Business Premium will change from 500 to Unlimited. The external users limit for Office 365 Midsize Business and Office 365 Enterprise plans (including E1 – E4, A2-A4, G1-G4, and SharePoint Online Plan 1 and Plan 2) will change from 10,000 to Unlimited.“