Microsoft Office SharePoint Online

1. Portal, collaboration, content management, site search, and forms capabilities
2. Single location to share documents, contacts, calendars, and tasks
3. Offline access to documents on the service from Outlook
4. Roll-up views of calendars and tasks across multiple lists and sites
5. Blog site templates that support article posting, reader comments, and RSS feed generation
6. Low-cost "deskless worker" offer for workers who use a PC and collaboration services on a limited basis