Bias both propelled and shadowed the movements of twentieth-century migrants in ways that were simple to define and easy to see. Today, in the twenty-first century, bias has found a new accessory in technology that magnifies what we see but leaves us ill equipped to decipher its meaning. Surveillance cameras have gone mainstream, guarding our front doors. Online social networks connect us to our neighbors. But the same tools that promise security and promote camaraderie can foster a sort of tunnel vision that distorts our sense of danger, heightens suspicion, and even puts the safety of others
...more
