Facebook, Instagram, and WhatsApp have lost 20 million daily users in a matter of months, according to parent company Meta's recent earnings call. That's a staggering 220,000 people every day ditching these popular apps.The Californian firm says it's a result of external factors, including internet disruptions in Iran and restrictions blocking WhatsApp access in Russia — two markets where access has become increasingly unpredictable. WhatsApp is…