<img src="https://techcrunch.com/wp-content/uploads/2008/11/happenr-ladies-night.png" />
If you are looking for something to do in Europe, check out <a href="http://www.happenr.com/">Happenr</a>, an
Remember DodgeBall, the early social mobile network that languished after Google bought it? So does Leonard Lin, a founding member of Upcoming.org who recently left Yahoo, where he organized Hack Days