I'm not sure what you mean?
She is pretty clearly referring to the redesign from 2013 versus the design before that.
She is pretty clearly referring to the redesign from 2013 versus the design before that.
"After an investigation into the problem by Facebook’s data team, they discovered that the new News Feed was performing too well. It was performing so well from a design standpoint that users no longer felt the need to browse areas outside of the News Feed as often, so they were spending less time on the site."