It’s a pretty solid rule of thumb: Put advertisements where there were none before, and out will come the angry mobs. T-Mobile is feeling the heat this morning, after an update to their My Account app began pushing marketing messages to the pull-down notification drawer on their Android handsets. On the upside, the marketing seems to be limited to T-Mobile stuff; on the downside, it’s still ads…in the notification drawer. Blyeck. [Via TmoNews]