The idea seems good, but I think many people would prefer a demo (or more explanation) about how it actually works, preferably without the user needing to suppl

The idea seems good, but I think many people would prefer a demo (or more explanation) about how it actually works, preferably without the user needing to supply his/her email. On the technical side, the scrolling text seems to overlap to the next line on some zoom-settings (I'm using Firefox 8 if it matters).