Every year one or two breakout technologies capture the imagination of consumers. Eighteen months ago it was Pokémon Go, the first augmented reality mobile app to really catch fire. A few years before that it was 3-D printers. CES attracts about 4,000 exhibitors under 2.7 million square feet. Some schlock is on display, but there's also plenty of gems. More than 184,000 product buyers, industry analysts and journalists attended last year. Attendees came from 150 countries. The show is not open to the general public. New at CES this year is a new section dedicated to Smart Cities technologies, with more than 40 exhibitors featured. In addition, a new Sports Zone highlights technologies for athletes, arenas and e-sports, with 18 exhibitors. Here is a look at some additional trends expected this year. Look out for 8K TVs Not long ago ultra-high definition 4K TVs were considered new. But this year, 4K could make way for an even sharper resolution — 8K screens. "I think we will probably