Usando el API de Twitter

Nos mandan un artículo de como utilizar el API de Twitter para obtener información de tu red social y usarla en tus aplicaciones:

This article is a proof-of-concept that shows how to build applications to extract key components of your social network using the Twitter API to chart, geolocate, and visualize your social-networking data. Graph common subject-matter keywords in your discussions and create geographical maps of your friends’ locations.