Windows 7 is the next version of Microsoft Windows and the successor to Windows Vista.
At its Professional Developers Conference 2008 (PDC2008), Microsoft Corp. rallied software developers by sharing the first full public demo of Windows 7. Its held at Los Angeles on Oct 28th 2008.
Source:
http://www.microsoft.com/presspass/press/2008/oct08/10-28PDCDay2PR.mspx
http://www.microsoftpdc.com/
http://en.wikipedia.org/wiki/Windows_7
