When I had a blackberry, and BBM was all the rage, read receipts would give me a lot of headaches. Most of the time it was fine, but I remember occasions where

When I had a blackberry, and BBM was all the rage, read receipts would give me a lot of headaches. Most of the time it was fine, but I remember occasions where I'd turn data off on my phone so I could read a message without the person knowing that I'd read it.