from new york, zeynep tufekci is with us. e is a technosociologist who has written extensively about covid—19 and won plaudits, both for her analysis of the pandemic and for her work covering the technology giants. zeynep, it's good to see you. also with us is nick pickles, a senior director of public policy strategy and development at twitter. he is in colorado, usa. nick, good to see you. from geneva, we have margaret harris. she is a spokeswoman for the world health organization and has worked all over the world fighting pandemics, including ebola. margaret, good to see you. and from here in the uk, eliot higgins, founder of bellingcat, an independent international collective of researchers, investigators and citizen journalists. eliot, it's good to see you as well. welcome to you all. now, let's go to our first question. and this is from annetta in skopje, macedonia. she works in the air freight business. over to you. thank you for having me on this bbc panel. it's very nice to meet all of you. my question was how can gove