Which sucks, because I frequently end up "launching" it by clicking a link to a Twitter profile or tweet on another site, so every few minutes I have to wait for the entire thing to load - and I often end up with a dozen tabs containing the Twitter app when all I really wanted was a few hundred bytes of HTML containing a single tweet!
Even with the assets cached, there's still an 8-10 second loading time (I just timed it). Compare that to a static HTML page showing the same content which would probably load and render in under a second.
