[shuttertalk]

Don't you love technology and those amazing algorithms that people dream up?

Watch this video to see how images can be resized while seamlessly preserving / removing contents using a technique called "seam carving".
http://www.milkandcookies.com/link/66481/detail/

Wait for the end!

[alastair_hm]

That's totally freaky they way it chooses what it can safely remove when resizing.

[Rabid Penguin]

That's pretty damn cool.

[smarti77]

Very cool... wheres the photoshop plugin!

[Wedding Shooter]

Very, very impressive.

[matthew]

There's a free website that lets you do this with your images:

http://rsizr.com/

I've tried playing around a little, and it looks pretty good.