Twitter: Spatial Patterns; Economic Activity; Social Activity

A new study that explores the geography of twitter networks finds that rather than making place obsolete, their intensity can be predicted by location and proximity, suggesting they enhance location based relationships.
Dec 10, 2011   The Atlantic
A study of Twitter-use patterns found that some cities are far more active early in the morning, while others showed higher activity at night or on weekends.
Mar 3, 2011   Sustainable Cities Collective