A couple of days ago we started working on a new visualization for Riff's acitivity. The requirement was to find a way of representing the relationship between items tag with two or more tags, the users who were tagging and the evolution of the tags...

This week a nice coincidence made possible that I met personally Taha Kass-Hout in DC. We've been working for Instedd creating a collaborative disease detection and surveillance platform with some machine learning tools. Luckily the restaurant's tablecloth...