It's just the same as a billion other areas - mp3 players, tvs, phones, games consoles. The PC is pretty unique in terms of its openness to 3rd party software.

It's just the same as a billion other areas - mp3 players, tvs, phones, games consoles. The PC is pretty unique in terms of its openness to 3rd party software. But IMHO it's a moot point - the iPhone has a fantastic fast fully featured browser which can do most stuff.