On the 12th and 13th of March the 4th OpenExpo took place in Bern. /ch/open oranises the fair every 6 months alternating in Bern and Zurich. A wide variety of talks grouped into three different tracks accompanied the fair. This year more than 30 OpenSource Projects took the opportunity to present themselves and their work to a wide audience. KDE and the Amarok team was among them.