Facebook knew for years ad reach estimates were based on ‘wrong data’ but blocked fixes over revenue impact, per court filing

Some more internal emails Facebook really doesn’t want you to see: Turns out in 2017 COO Sheryl Sandberg had already known for years there were problems with a free ad planning tool the company offers to marketeers to display estimates of how many people campaigns running on its platform may reach, per newly unsealed court […]

Read more