Tech Digital Original Video

"Ethical hackers" help companies protect themselves, finding and reporting security vulnerabilities before criminal hackers can break in.

At CES this year, Sharp showed off new TV tech, including a transparent, projector-based display, and an ultra-high-efficiency, backlight-free one. Watch the video to learn more.

In Elvie's second year at CES, the team added some services they noticed were missing in 2019, mainly pumping booths for new parents. Watch CNBC's interview with Elvie as the company sets up its booth for CES 2020.

Tel Aviv-based startup Binah.ai is showing off its app, Bvue, at CES 2020. The app uses light reflecting from the user's cheeks to read their heart rate, oxygen saturation, respiration, mental stress, and heart rate variability, with more to come. CNBC was not able to measure how accurate these readings are, but Binah.ai says the app provides "medical-grade accuracy proven against medical equipment." Watch CNBC demo the app on the CES floor.

This year at CES, Google announced a series of features it will be adding to Google Assistant. CNBC was there to check it out.

CES 2020's Unveiled event showcases mostely small and mid-size companies who will be presenting electronics during the convention. CNBC took a look around to see what sorts of gadgets to expect in the coming week.

Today, 65% of American adults and nearly all teenagers play video games. In 2018, the industry made more than $136 billion. Games look more real than ever, showing incredibly detailed violence. What do we actually know about how violent games affect us? Psychologists have been studying this for decades, but some are convinced that those who link violent games to aggression are completely wrong. Watch the video to find out why researchers disagree so strongly, and how we got here.

Motorola Mobility has not wowed customers or reviewers since the Motorola Droid in 2009. The company has fallen on the smartphone market share charts. But the announcement of a new folding Razr smartphone has breathed new excitement into the company. It has left onlookers wondering if this phone could pull Motorola Mobility out of obscurity. Watch CNBC's deep dive into Motorola Mobility.

Hundreds of startups are working on the next evolution of air travel: electric flight. From commuting in air taxis to making regional flights more affordable and long-haul flights more environmentally friendly, electric planes hold a lot of promise. So in the era of electric cars, why are planes so far behind?

Affordable housing has become a crisis on the West Coast, due in large part to the expansion of the tech industry. Cities like San Francisco, San Jose and Seattle have all seen rising housing costs with the influx of tech workers with high wages. This has prompted Amazon, Apple, Facebook and Google to chip in, but some community members are saying it's too little, too late. Watch CNBC's in-depth video on the affordable housing crisis.

More companies are trying to bring self-driving cars to the masses than ever before, but a truly autonomous vehicle still doesn't exist. It's not clear if, or when, our driverless future will arrive. Where exactly are we with self-driving cars, and when can we expect them to be a part of our daily lives?

Cyberwarfare is the new weapon of choice for ransom attackers and nation states. And as the more than 9,700 power plants in the U.S. become more high tech, the ways in which utilities can be targeted increase. Still, experts say there are ways to mitigate the risk.

Robocalls are at an all-time high. On average, Americans received more than 2,000 robocalls every second in October, up 25% from the previous month. With 49 billion robocalls so far this year, all four major U.S. phone carriers now offer some form of blocking or screening service, such as T-Mobile's well known "Scam Likely" label. Congress and state officials passed new robocall regulations in recent months and hundreds of tech start-ups are developing new ways to tackle the problem.

Google's hardware business is really confusing. It considers companies like Samsung both a partner and a competitor. Despite a roughly $900 billion market capitalization, Google parent Alphabet doesn't make much money from hardware. Through acquisitions, partnerships and internal design and developments, Google has stitched together a product line that's extensive but complex. Watch CNBC's in-depth video on Google's hardware business.

CNBC got a first look inside Lyft's level 5 lab, where it builds self-driving cars that are being tested on roads now. Self-driving rides are also available to select Lyft passengers in Arizona and Las Vegas, where Lyft opened its app to autonomous vehicle companies Waymo and Aptiv. Lyft says it's completed more than 75,000 self-driving rides. Watch the video to see how the program works.

Nuclear power has a controversial history, but many energy experts say it will play a major role in our energy future. Some in the industry are working to make standard fission power safer and cheaper. Others are pursuing the holy grail of energy — nuclear fusion. Fusion is the process that powers the sun and the stars, and if we figure out how to harness that power here on earth, it would be a game changer.

When Gmail was released to the public on April 1, 2004, many people thought it was a prank. Gmail offered one gigabyte of storage and robust email search. These features among others have helped to make Gmail the most used email service in the world with 1.5 billion users.

Google has been the smartphone camera champion for years with its Pixel lineup. But how does the new Pixel 4 stack up against Apple's recent iPhone 11 Pro? CNBC's Todd Haselton puts them to the test.