With all of the various options available, like Echofon, Twitterific, the official Twitter app and everything else, you already have a choice of ways to browse and post to Twitter on your iPhone. But just in case you happen to use Mobile Safari to do it, Twitter has updated its mobile web app, tuning it up a bit to match both the standard official Twitter interface and the "new Twitter experience" seen on the standard web site.
As you can see at right, the bar that's normally across the bottom now sits on top, and
