After my outrage at iTunes 10, you may think of me as a nitpicker. Well, you know what, guilty as charged. And while we’re picking nits, I’ve got some frowning to do about Twitter. That sidebar is getting more brutally ugly and obtrusive by the day; multiple links to who I’m following, a search bar that goes largely unused, a yet-more-unused Lists pane, and… who with an IQ over 70 actually follows the trending topics? I mean, Twitter is still pretty simple stacked up against, say, Facebook, but hey, Biz, can you tone it down? Just a bit? Y’know, streamline that experience? You’re probably ready to…