Microsoft have announced upcoming changes to Office365 which will include a great deal of focus on social integration. Microsoft has also mentioned it will include real-time collaboration, providing users the ability to see who is working on a document while changes appear instantaneously. PowerPoint in Office365 already includes this new collaborative experience and further changes are forthcoming to allow for real-time co-authoring will to become faster.
Microsoft has also made mention that it will include further improvements such as, shortened launch times, simplified file management, and a find and replace feature for the Word Web App. Additionally, Microsoft has revealed that Android tablets will finally be able to access its online suite of tools via the mobile Chrome browser. Changes are expected to take place within the next year.
Source: Office 365 Blog