Obviously don't use it if you care about privacy. Same reason you shouldn't use gmail, facebook, twitter, etc. I hear the folks over at https://whispersystems.o

Obviously don't use it if you care about privacy. Same reason you shouldn't use gmail, facebook, twitter, etc. I hear the folks over at https://whispersystems.org/ https://whispersystems.org/ are working to fill in the gaps. But even the peer-to-peer version did not protect privacy so nothing lost, nothing gained here as I see it.