Webmentions (well network mentions) were a cool part. Blogger only way to get write access to Google+ but the other tools made UX great.
Hangouts, HoA for chat and video, gDocs for writing, gSites for the web. We had everything in different places all connected to one I’d.
Finally realized why educators fell in love with Google+ It was webmentions before we knew what webmentions were. We all had GAFE, we all had Hangouts, we all used Blogger. I posted on my blog and it went to my network. Someone commented on my network it published on my blog