It's twenty years this week since Facebook was launched. Last week its founder and CEO Mark Zuckerberg was forced to apologise at a US Senate hearing, to parents whose children died following sexual exploitation via social media or cyberbullying. A matter of hours later his company Meta delivered its quarterly results with the stock price surging by over 20 percent, its value up almost 200 billion dollars. Meta owns Instagram, WhatsApp and Threads as well as Facebook. Arturo Bejar worked for the company between 2009 and 2015 and then again from 2019 to 2021. He came forward as a whistleblower, saying Instagram isn't doing enough to protect children from online harms.