Microsoft has announced a replacement of Hotmail as noted below, re-branding it to use the Outlook user interface.
Microsoft HOTMAIL email service to be replaced with special verison of OUTLOOK
QUOTE: SAN FRANCISCO (MarketWatch) — Microsoft Corp. is replacing Hotmail, its Web-based consumer e-mail system, with an expanded version of Outlook, the system widely used by businesses. Microsoft said it is making Outlook.com available for preview on Tuesday, touting an upgraded Web-based system compatible with mobile devices and social networking. In addition to a desktop application and a service for businesses, we’re offering Outlook as a personal email service – Outlook.com,” a company blog post said. Hotmail was a pioneer in Web-based e-mail systems which allowed users to access e-mail accounts independent of their workplace or their Internet service providers.
NEW OUTLOOK PREVIEW site for existing HOTMAIL USERS