Most apps share their content out to other apps based on intents on the phone. The Google+ app's share feature only seems to generate another Google+ post. How can I share a Google+ public post outside of the app from the app itself? For example, to send a link of the post to Twitter, Messenger, Facebook, etc.
I can't believe Google would cauterize sharing from a service as important to them as Google+ when most other popular social apps can share freely among each other. Copy & paste of the URL is dated and onerous on Android.