On June 8, 2007 at 19:22, wwu123 said...
Hmm, I could've sworn when I used the more recent web
interface (where they now show the additional buttons
in groups of six (for the 720) or four (for the 520) that
it did close up the empty slots.
Nope. I checked again to be sure, but it definitely does not close up the empty slots.