nick pickles from twitter.s eliot says, one of the biggest challenges we have seen here is you have public health agencies communicating through press conferences with journalists in one way, which is primarily intended to inform the media. and those same communications devices are also being used to inform the public. and i think one of the big challenges we have seen during covid is really the 20th century communications methods in the information century proven by the internet. and so making that transition has been challenging for some organisations and the big question i think for social media companies is often trying to referee some of the debate we have just heard. we want to allow people to have a debate, to engage on the issues, but at the same time, we are under huge pressure to remove content that may be harmful. and so we are trying to strike that balance between elevating credible content, but also remove content that could be harmful. and often during covid, one of the hardest things for us has b