Upworthy Is Watching You, and They're Pissed You're Not Watching Back

Back in the Blackberry heyday, its messaging service was a huge source of contention since there was no way to opt out of letting the sender know you read their text. It led to a lot of awkward conversations — "So uh, I see you saw my note and ignored it" — but that mostly melted away with Blackberry's stock.
