Facebook Founder Mark Zuckerberg makes a public apology with regard to the six hour outage. The internal technical issue took Facebook, Messenger, Whatsapp and Instagram offline at about 16:00 GMT on Monday. As many were left incapable of staying in contact with their friends, family and loved ones, businesses that function based on these apps were said to have suffered a financial hit. The billionare, Mark Zuckerberg himself is said to have been hit with a loss of $6bn [£4.4bn] due to this issue. The company announced that there was “no evidence that user data was compromised”.