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Re:Ask HN: What are your (non-hn-related) hobbies? by aw3c2 on Monday October 05, 2009 @01:51PM (#862280)
Geocaching & OpenStreetMap are two of my favourite hobbies I recommend to anyone here.
Re:Ask HN: What are your (non-hn-related) hobbies? by ArturSoler on Monday October 05, 2009 @03:29PM (#862561)
Another geocacher here :D

I recommend it to everybody too! www.geocaching.com