This is priceless - Microsoft and New York department megastore Saks are together engaged in a big Christmas promo for Windows 7. Part of which includes the OS powering the store’s window display - and part of this includes a screen showing a live Twitter stream Posts sent through the service which are hashtagged #HolidayWindows automatically show up on the display - so what have local New York Appl users started to do? Why, Twitter messages saying such simple relevant
