Fragmented communication. Depending on the person I'm contacting I either have to use Signal, Messenger, iMessage, Email, Slack, Skype, IRC, SMS and I'm probabl

Fragmented communication. Depending on the person I'm contacting I either have to use Signal, Messenger, iMessage, Email, Slack, Skype, IRC, SMS and I'm probably forgetting one or two others. The fact that most of those are not interoperable is so frustrating. We all know the only reason they are not interoperable is because each one tries to keep us in their walled ecosystem. Such a waste for the users.