It's pretty cool, but the text sizing seems odd - all of the text labels are so small that to read it, I need to zoom in so far I can't really see the graph anymore. Everything seems to be on some sort of astronomical scale.
For example, my first test is "bulldog". Now the entire "bulldog" cluster of links is shown as a bundle that overlaps on the "ull" of the word. At the other end of the scale, to fit the entire graph of bundles on the screen (from Bulldog (disambiguation) to tr:Buldok (anlam ayrim)), I need to zoom out so far that no text is readable at all. It doesn't seem helpful to place these nodes so far apart, and to create orders of magnitudes of difference in scaling between article labels and these clusters labels.
Also, it would be nice in the documentation if there were suggestions for how to use it. We are not all seasoned interwiki surfers :) Some examples of "look for X, then do Y" would be great. And of course, being able to click on an article and have it retrieve the article text for comparison would be very useful.
Steve