sentences:  Microsoft discussed a plan to delay Neptune in favor of an interim OS known as "Asteroid", which would have been an update to Windows 2000 (Windows NT 5.0), and have a consumer-oriented version.At the WinHEC conference on April 7, 1999, Steve Ballmer announced an updated version of Windows 98 known as Windows Millennium, breaking a promise made by Microsoft CEO Bill Gates in 1998 that Windows 98 would be the final consumer-oriented version of Windows to use the MS-DOS architecture.Concepts introduced by Neptune would influence future Windows products; in Windows Me, the activity center concept was used for System Restore and Help and Support Center (which both combined Win32 code with an interface rendered using Internet Explorer's layout engine), the hub concept would be expanded on Windows Phone, and Windows 8 would similarly use a simplified user interface running atop the existing Windows shell.