
The great and good of the mobile communications world have flocked to their annual jamboree in Barcelona, all armed with this year’s must-have tech: a negative COVID-19 test, an FFP2 face mask and a digital badge for contact-tracing.


The great and good of the mobile communications world have flocked to their annual jamboree in Barcelona, all armed with this year’s must-have tech: a negative COVID-19 test, an FFP2 face mask and a digital badge for contact-tracing.