Legal Facebook to send Cambridge Analytica data-use notices Updated : April 09, 2018 06:25 AM IST Facebook says most of the affected users are in the US. There are over a million each in the Philippines, Indonesia and the UK. All 2.2 billion Facebook users will receive a notice titled "Protecting Your Information". Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.