What is Different About the New Google+

No more hanging out! You have to go to a subdomain: hangouts.google.com and connect from there.

To create an event you have to go through the dashboard and switch back to Classic G+

To access your photos you go to photos.google.com

You can post an update to a particular post by using the pencil icon at the bottom right of a post.

An additional way to edit your brand or local business page is to go to business.google.com

For further insight check out http://www.socialmediaexaminer.com/google-plus-changes-what-marketers-need-to-know/