Kristen Nagy, an 18-year-old from Sparta, N.J., sends and receives 500 text messages a day. But she never uses Twitter, even though it publishes similar snippets of conversations and observations.
Kristen Nagy, an 18-year-old from Sparta, N.J., sends and receives 500 text messages a day. But she never uses Twitter, even though it publishes similar snippets of conversations and observations.