[ultimoo]

It makes the landing page similar to a photo captured with an expensive lens on a high quality camera, where the foreground (text and logos, in this case) is in crisp focus, whereas the background is said to be in [bokeh](http://en.wikipedia.org/wiki/Bokeh).

[marknutter]

Yeah, I just realized that myself as I was looking through a bunch of sites that use the effect. I think it's a great trend, for sure, but it's just been popping up everywhere.