I still have an account on mastodon thought and I'm far more active there than on twitter, mostly because new is interesting and to support a good cause.
I also sometimes follow development and hope that it might get more features from both Google+ or Facebook. Groups would be an obvious improvement in my book.
That way maybe it could become more than a twitter clone, which matters to me because in my opinion Twitter is close to useless except as a better way to receive spam and propaganda (it is even easier to ignore than the spam folder in my mail.)
But at the end of the day it's still a Twitter clone, so offers absolutely no value to me.
Agree in the long run.
In the short run playing with interesting tech has its own value at least as long as it only replaces more useless stuff (I guess tv is the thing I "sacrifice" to have time for tech.)
And that is the one reason I haven't already started a Mastodon instance and tried to talk all my family and friends into using it instead of Facebook.
Some people like everything to be public; fine. But some people, like me, want to be able to control who sees stuff; as far as I can tell, the only platform which allows that at the moment is Facebook.
Why not make "groups" an option, so that it can serve both kinds of people?
Last I checked, Twitter doesn't have groups.
Usually, focusing on doing one thing only is how you make good products.
Most email programs use a built-in rendering engine anyway, and sometimes browsers can actually use the email code (e.g. MHTML is basically MIME+HTML, HTML sanitization[0], Opera used M2 for RSS support). So a browser having a built-in email client might be undesirable, but it is not "insane".
[0]https://frederik-braun.com/firefox-ui-xss-leading-to-rce.htm...
Mastodon not implementing a "limited visibility" option would be more like a web browser refusing to implement Private Browsing mode.
It's funny how something that seemed so insane at the time is now the de facto standard way of taking pictures.