1 : Click on the distributor and accept the two objects (an information sheet + a tracker)
SLURL of this distributor : http://maps.secondlife.com/secondlife/Paris%20IledeFrance/128/177/22
2 : In your inventory, double click on the objet "Tracker (wear me)", or right-click on it and click on "wear". The tracker is like a ring.
For more details about this project, click here : http://www.gehan-kamachi.net/2010/11/launch-of-quantitative-and-qualitative.html