Every city has its neighborhoods, cliques and clubs, the hidden lines that join and divide people in the same town. What can we learn about cities by looking at what people share online? Starting with his own home town of Baltimore, Dave Troy has been visualizing what the tweets of city dwellers reveal about who lives there, who they talk to — and who they don’t.

This work can give impression of a "big brother", but the data is there and they are accessible, namely, they can also be interpreted as parameters that facilitates knowledge.

What is Peoplemaps?

Peoplemaps is a project designed to reveal the underlying social connections, groups, and communities within a specific geographical region. The maps we produce, however, are not geographical — rather, they describe the relative orientation of communities in a city or region. Each dot represents a person (or user account), each line represents a relationship, and each color group represents a community of interest.

Communities at opposite ends of a map have the least in common. The layout of the map is determined by relationships — they act like springs, bringing people closer together. By arranging the maps in this way, they can determine how people choose to sort themselves, and study the patterns in human arrangement that arise between different cities — and we can also see patterns like segregation and other unhealthy patterns of arrangement. For specifics about the methodology and theoretical foundation, please see The Math Behind Peoplemaps.

They are using data from social networks, like Twitter, Facebook, LinkedIn, and AngelList (and are looking for more).

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Dave Troy, EO y co-fundador en 410Labs, y creador de Mailstrom.Es un empresario de tecnología de interfaz serie. Comenzó su primer negocio a los 14 años en 1986, y ha estado trabajando en la industria de tecnología de la información desde entonces. En 1995 fundó ToadNet, un importante proveedor de servicios de Internet regional cerca de Baltimore, que se vendió a Landmark Communications en 2004. Ha sido un contribuyente activo a proyectos como Asterisk y desarrolló una tecnología distribuida de call-center a gran escala y sistemas de telefonía VoIP para las empresas de tecnología global.

En 2007, Troy lanzó dos proyectos paralelos, Twittervision y Flickrvision, que fueron mostrados en  la exposición 2008 "Diseño y Mente Elástica" en el Museo de Arte Moderno. Desde entonces, ha estado explorando proyectos de visualización de datos con su compañía actual Tecnologías Roundhouse, que fundó en 2008 con su socio Stephen Muirhead.

Troy es también muy activo en la escena local de tecnología en Baltimore y es co-fundador de la colmena de Baltimore, el primer espacio de coworking en Baltimore. También es cofundador de Baltimore Ángeles, un grupo de inversión especializado en las primeras etapas de nuevas empresas de tecnología de la información. En 2009, fundó TEDxMidAtlantic.

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