the consumer electronics show. now, it takes place across the city in hotels like this and also in the massive las vegas convention center. this is where we get a taste of the tech trends to come for the new year. and over the years, we have seen it all here autonomous cars going up and down the strip, even a flying one on the sidewalk. so what s going to be big this year? it is time to find out. the self proclaimed most powerful tech show on earth truly is global, with companies from around the world battling for attention and some splashing out to make a real spectacle. there s even a mini theme park in one of the halls this year, with a hydrogen powered train that goes. ..all of a few metres. so lovely of them to name it after me too! i think that s a different sk. 0h, 0k. but after a year of tech hitting the headlines, often for the wrong reasons, there s no existential crisis here. the buzz is back. dance music plays. ..the party s pumping, and ces is a scramble of peo