Up to 50,000 to attend MWC21 in person, says John Hoffman of GSMA
<p>"30, 40, maybe even 50 thousand people will attend MWC21 in person," says John Hoffman of GSMA, although "tens of thousands, maybe even hundreds of thousands" will be watching the event online.</p>
<p>Video edited by Xènia Palau</p> / ACN