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10 must-see videos of the week

The Roku 3 and Apple TV duke it out, our high-end Valentine's Day gift picks, and snowmaking tech revealed.

As the Sochi Winter Olympics officially kick off this week, we're checking out some of the same technology Olympic organizers are relying on to generate snow at a resort in Lake Tahoe. These automated snowmaking systems (some of which can even be operated from a mobile phone) are making it easier and more efficient to make snow when Mother Nature doesn't want to cooperate.

Prizefight is also back at it with an epic rematch between the Roku 3 and third-generation Apple TV. It's been a year since their previous duel and both Editors' Choice streaming boxes have seen some notable improvements. But does the Apple TV have what it takes to bring down the Roku 3 this time around?

We've also rounded up the most anticipated tech of 2014, the hottest iWatch rumors, and the three most important things you need to know about the 2015 Ford Mustang. And lastly, don't forget to spread the love next week by splurging on your sweetheart with one of our high-tech Valentine's Day gift picks.

1. Making snow with a mobile phone
On the slopes of Sochi, Olympic organizers have more than 400 snow-making machines on standby. Technology is making it easier and more efficient to make snow, even from a mobile phone. CNET's Sumi Das visits Lake Tahoe, Calif., to find out what it takes to create a winter wonderland when nature isn't cooperating.

Now playing: Watch this: Making snow with a mobile phone

2. Prizefight: Roku 3 vs. Apple TV (3rd Gen)
It's a year later, and we bring our top two Editors' Choice Award-winning streaming boxes back into the Prizefight ring. The Roku 3 and the Apple TV have both improved, so which is the new king of the ring?

Now playing: Watch this: Roku 3 vs. Apple TV (3rd Gen) - Rematch

3. Top 5: Most anticipated tech of 2014
These are the high-tech gadgets we're dying to see in 2014!

Now playing: Watch this: Most anticipated tech of 2014

4. Apple Byte: The hottest iWatch rumors
How will the iWatch charge? The best-looking iWatch concept you'll see, and will fitness and health be Apple's next focus?

Now playing: Watch this: The hottest iWatch rumors

5. High-end Valentine's Day gifts
All right, ladies and gents, Valentine's Day is a week away. This year, why not update the classic, go-to gifts with some hot pieces of tech? CNET's Kara Tsuboi has some high-tech recommendations that just may be right for your sweetheart.

Now playing: Watch this: High-end Valentine's Day gifts

6. CNET on Cars: Three things that make the 2015 Ford Mustang
The three most important things about the new Mustang, red-light cameras today...and tomorrow, and Cooley's car tech wish list for 2014.

Now playing: Watch this: Three things that make the 2015 Ford Mustang (CNET On...

7. The Sony Vita Slim is a welcome redesign
We give Sony's Slim new Vita the review treatment. It's not as bold a revamp as we'd hoped for, but this is still a powerful gaming gadget.

Now playing: Watch this: Sony Vita Slim is a welcome redesign

8. Googlicious: Google Glass gets a new look
Google brings a new mainstream design for Google Glass frames, Chromecast gets opened up to developers, and we're giving away Galaxy S4 cases!

Now playing: Watch this: Google Glass gets a new look

9. Inside Scoop: Why Microsoft named Satya Nadella CEO
In this Inside Scoop, CNET's Kara Tsuboi and Executive Editor Charlie Cooper discuss Microsoft's new CEO, who's replacing the outgoing Steve Ballmer. Hear why Satya Nadella is right for Microsoft, and why Microsoft's job is right for him.

Now playing: Watch this: Why Microsoft named Satya Nadella CEO

10. Facebook hits a milestone
The social network that turned the word "friend" into a verb and popularized the "like button" is turning 10 years old. As Facebook celebrates its birthday, CNET's Kara Tsuboi reports on what the company has accomplished in a decade, and what CEO Mark Zuckerberg has planned for the next 10 years.

Now playing: Watch this: Facebook hits a milestone