"+" operator was disabled because of their SNS (https://www.wired.com/2011/10/google-kills-its-other-plus-and-how-to-bring-it-back/ https://www.wired.com/2011/1

"+" operator was disabled because of their SNS (https://www.wired.com/2011/10/google-kills-its-other-plus-and-how-to-bring-it-back/ https://www.wired.com/2011/10/google-kills-its-other-plus-an...)... don't know why they mention it.