I knew remarkably little about him when we first met. Alex is not his real name -- it's a pseudonym to protect his identity. But everything else about him is very real. He travels to our New York newsroom and our San Francisco office from his home near Charlotte, N.C., where he lives with his family.
Alex is one of a growing population of "privacy ambivalent" users. He keeps his Social Security number close to his chest, and rarely gives out his personal e-mail address unless he has to. But he isn't clued … Read more