Facebook Messenger adds voice transcription.Google Voice's transcription feature really comes in handy when when you're not in the position to listen to spoken messages. This news isn't about Google Voice, though -- it's about a similar (but experimental) transcription feature that has just arrived to select Facebook Messenger accounts. If you were lucky enough to be part of this small-scale test, you'll now be able to read voice messages you receive and send. Since the feature was released to a very limited number of people (Facebook's David Marcus didn't say if and when more users will get it) we still don't know how it compares to Google's version. But if they're just like each other.