It started as a curious side project, and was mentioned on Engadget, Digg, Hack-A-Day and Gizmodo.
It's not surprising that men and women value different things in the workplace, but employers aren't necessarily paying attention to the details.
This project also includes some theory about signal filtering, particularly with respect to Piezo elements, which may come in handy for other people (I could not find much, if any, theory on this when researching the project initially.
The findings here come from actual measurements using the Arduino).
Prior to climbing the display one has to memorise a continuous series of letters, as this is the only way to change the dots one is holding on to in time for the next change of letters.
In doing so one can key into a terminal a short sentence.