Nitasha Tiku:

When Facebook launched Messenger Kids, an app for preteens and children as young as 6, the company stressed that it had worked closely with leading experts in order to safeguard younger users. What Facebook didn’t say is that many of those experts had received funding from Facebook.

What’s notable isn’t that they paid experts, that’s rather common, what’s notable is that it looks like the only experts supporting Messenger Kids are the ones Facebook paid.