Microsoft’s MSFT Outlook Twitter account proudly announced on Tuesday night that its new Outlook.com email application had already reached more than 1 million users less than a day after first becoming available. The new email system, which Microsoft is using to phase out its Hotmail system, features greater social networking integration with  Facebook FB,Twitter and LinkedIn, and gives users access to Microsoft’s suite of productivity tools including Microsoft Word, Excel, SkyDrive and PowerPoint right from their inboxes. Microsoft is also promising Skype integration for the new email protocol sometime in the near future.

via Microsoft Outlook.com 1 million users in first day of availability.