Is This a Big Mistake on Facebook?

Mark zuckerburg once wrote on the company's blog what big mistake was he referring to? Was it a, that time face book's beacon advertising system was launched without consent control, making users purchase history public. Or see the decision to allow users to make joint couple accounts. We get it. You're co dependent. So be you got itaa facebook c o o sheill samburg said it was poorly communicated, and for that communication, we apologize.We never meant to upset you. Wai. This the bish i wrote. And that's her apology. That's sero, that's lucky. Terrible. I want my money back for your book. She