“When a lonely Virginia teenager named Ali Amin got curious about the Islamic State last year and went online to learn more, he found a virtual community awaiting. It had its own peculiar language, stirring imagery and just the warm camaraderie, sense of adventure and devotion to a cause that were missing from his dull suburban life.” The NYT on the social media “echo chamber” that awaits young Americans who show interest in ISIS.

+ The Chronicle of Higher Education: The ties that bind Jihadists.