I was referring to this claim in the article: "Knowing that Google+ would use “circles” to segment actual social networks (“Family,” “Friends,” “People I Secret

I was referring to this claim in the article: "Knowing that Google+ would use “circles” to segment actual social networks (“Family,” “Friends,” “People I Secretly Despise,” etc.), Facebook launched Groups and Lists, which hardly anyone used." FB couldn't have copied G+ for Groups and Lists because G+ hadn't been announced when those features launched.