In the era of the quantified, commodified "friendship," there are few slights so keenly felt as the unspoken, unacknowledged unfriend. Now, for better or worse, you can revel in your own rejection: ...

No one wants to be unfriended on Facebook, but it happens. Yes, even to you. Whatever the reason—they don’t agree with your topical posts, they’re envious of your vacation updates or they’d rather not ...