This is a pretty clever idea, and once seen in action, it seems so obvious that I’m now surprised that the iPhone version of Safari hasn’t been doing this all along. And it makes me wonder whether the desktop version of Safari will follow this lead — space isn’t at such a premium there, but it’s always struck me as somewhat ungraceful that we spend all day staring at dozens of URLs that all start with the same repetitive prefix.

Daring Fireball on the changes to Safari in the iPhone 2.2 Software Update