Attendees take picture on the Tecno stand displaying zoom lens for smartphones at the Mobile World Congress (MWC), the world's biggest mobile technology showcase and fair. The Mobile World Congress (MWC), the major annual telecommunications event, opens today in Barcelona for an edition where Artificial Intelligence in telecommunications will take center stage in the debates. The event, which marking its twentieth anniversary, will host the world's leading telecommunications operators and numerous manufacturers. 109,000 industry professionals and visitors are expected. (Photo by Josep LAGO / AFP via Getty Images)