You’d think that this would’ve been done by now, but this simple mashup does exactly what the title says. Just connect your Twitter account and the people you follow popup, with some simple clustering so that people don’t get all smushed together in one location.
Map your Twitter friends
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What Makes People the Most Happy
It’s in the details of 100,000 moments. I analyzed the crowd-sourced corpus to see what brought the most smiles.