Así es el MWC, una de las mayores ferias de tecnología en el mundo

An operator, right, controls a 5G humanoid robot as it paints on the NTT DOCOMO Inc. stand during the opening day of the Mobile World Congress (MWC) in Barcelona, Spain, on Monday, Feb. 26, 2018. At the wireless industry's biggest conference, more than 100,000 people are set to see the latest smartphones, artificial intelligence devices and autonomous drones exhibited by roughly 2,300 companies. Photographer: Angel Garcia/Bloomberg

Attendees browse smartphones and laptops during a Samsung Electronics Co. 'Unpacked' launch event ahead of the Mobile World Congress (MWC) in Barcelona, Spain, on Sunday, Feb. 25, 2018. The South Korea-based technology giant is banking on new features such as augmented reality-based emojis, camera upgrades, and stereo speakers in a form-factor similar to last year's model in order to take on Apple Inc.'s iPhone X. Photographer: Simon Dawson/Bloomberg

An attendee takes a 'selfie' photograph holding a pair of Galaxy S9 smartphones during a Samsung Electronics Co. 'Unpacked' launch event ahead of the Mobile World Congress (MWC) in Barcelona, Spain, on Sunday, Feb. 25, 2018. The South Korea-based technology giant is banking on new features such as augmented reality-based emojis, camera upgrades, and stereo speakers in a form-factor similar to last year's model in order to take on Apple Inc.'s iPhone X. Photographer: Simon Dawson/Bloomberg

Attendees check their smartphone devices by a 5G sign during the opening day of the Mobile World Congress (MWC) in Barcelona, Spain, on Monday, Feb. 26, 2018. At the wireless industrys biggest conference, more than 100,000 people are set to see the latest smartphones, artificial intelligence devices and autonomous drones exhibited by roughly 2,300 companies. Photographer: Simon Dawson/Bloomberg

An attendee wears a virtual reality (VR) headset for a 5G connected car experience on the Saudi Telecom Co. stand during the opening day of the Mobile World Congress (MWC) in Barcelona, Spain, on Monday, Feb. 26, 2018. At the wireless industrys biggest conference, more than 100,000 people are set to see the latest smartphones, artificial intelligence devices and autonomous drones exhibited by roughly 2,300 companies. Photographer: Simon Dawson/Bloomberg