One sentence explanation to MVVM in WPF?

Question

I heard its the next best thing in building WPF UIs, but all existing examples have dozens of lines of code - can I get a Hello World for MVVM that explains in no uncertain

Answer 1

MVVM is a star-fan relationship. The fan knows the star but the star does not know the fan. The fan loves his star so much that if the star changes himself ( I mean his dressing style ), the fan changes himself accordingly.

Now replace "star" with "ViewModel" and "fan" with "View" and read it once again.