Sundar Pichai. File Pic

Google CEO Sundar Pichai on Tuesday kicked off the Google developer conference I/O, 2018 in the United States while announcing various upgradation in the tech giant. Pichai, who delivered a key note at the annual conference, spoke about everything the technology giant has been planning since last year. He started the speech by tendering apology for the placement of cheese on burger emoji and beer emoji which was a half-full mug with foam coming out of the top.