Geocaching
For a few years ago Geocaching was a big interest that took a lot of time. I still have some active geocaches at Geocaching.com.
Now i am not geocaching very much anymore, but around 2010 i was part of forming the Geocaching Society in Uppsala called Geoaching Uppsala.
For a few years active as a board member in the Geocaching Society of Sweden Geoaching Sverige.
I was also a part of a small group that translated the Geocaching.com webpage and all of it's apps to Swedish from English for about 10 years.