'This is an ongoing arms race where we’re constantly building up our defences.'

This after the CFO said the company faced a multi-year squeeze on its business margins. 

The firm has lost more than $50 billion in market value since the date breach allegations.

COMMENT | I started Facebook, and at the end of the day I'm responsible for what happens on our platform.

UPDATED 12.49PM | The world’s largest social media network is facing growing government scrutiny.

He says both Trump and liberals were upset about ideas and content on FB.

She catches up on Mark Zuckerberg's address at the CEO Summit 2016 while accompanying Najib in Lima.