More than 10% of the time on facebook, I get a "try out these new games your friends are playing" (even though I've rarely played games on facebook), which takes up roughly the same amount of space as the google+ one does.
It's a GIGANTIC POPUP full of Click here! Join now! Follow ME! (Or like today, a new full page of Do Not Want: "Never miss another post
Get notifications whenever important people in your life share something new on Google+" <-- how about you just let me into the site ok? Come on...)
This G+ one fills the entire screen, and you have to find and click the "no thank you get out of my face please" button to get to the social feed; if you want to check that multiple times a day (like is typical Facebook usage), it gets to be a major source of friction, which Google usually hacks out with an axe anywhere they possibly can ...
