Here I am browsing the greatest web page in the world when I get an SMS like I normally get all day:

Then I reply (with what anyone would say to this):

And I see the airplane symbol for a second in my statusbar while the text is being sent:

And that’s it! Back to safari without missing a step. No more having to decide whether or not you will reply now or when you’re done with what you’re doing.

I think this is fantastic and have updated the reasons to jailbreak page with this news.