On its 50th anniversary, Microsoft has shared some fantastic wallpapers that very cleverly pay tribute to some of its famous ...

April 4, and part of the celebration includes new limited-edition wallpapers created by Microsoft designers and creators.

The photo you see above -- the default wallpaper for Windows XP -- is probably the most recognizable image in the world. What you probably didn't know is that it's a real photo, called Bliss ...