(FILES) In this file photo taken on March 22, 2018 This photo illustration taken on March 22, 2018 shows apps for Facebook, Instagram, Whatsapp and other social networks on a smartphone in Chennai, India. Major social media services including Facebook, Instagram and WhatsApp were hit by a massive outage on October 4, 2021, tracking sites showed, impacting potentially tens of millions of users. (Photo by ARUN SANKAR / AFP)