I use features of programs with people who can use it. I don't want to call friends that have bad audio quality as often and I'm not as comfortable on unencrypted services. I prefer facetime for the quality. We all use something Android users can use when we want to include them, but it degrades the experience.
Most people don't talk to people they don't communicate as well with.
Most people don't talk to people they don't communicate as well with.