10 must-see videos of the week

In this week's must-see rundown, we offer up an in-depth look at all of the new features in Google's latest mobile OS, Android KitKat. If you're one of the lucky users to already have it, you'll also want to check out our very handy tips for extending your phone's battery on KitKat.

Twitter officially went public earlier this week. In our latest Inside Scoop, CNET's Kara Tsuboi and senior writer Daniel Terdiman discuss the social media giant's initial public offering, what they learned from Facebook, and how they plan to turn a profit.

Plus: It's already that time of year again! With the holidays just around the corner, in a new Tech Minute, we recommend some useful apps to book the best travel deals, and show you how to find the best prices while shopping online.

1. What's new in Android KitKat, Google's latest mobile OS

We give you a rundown of the new features available in Android KitKat 4.4.

2. Unboxing the Nintendo Wii Mini

The company's no-frills $99 console makes its way stateside. Scott Stein unboxes the brand-new Nintendo Wii Mini.

3. Inside Scoop: Twitter's stock skyrockets

CNET's Kara Tsuboi and senior writer Daniel Terdiman discuss Twitter's initial public offering. Find out what this social-media giant learned from Facebook's IPO, how it plans to turn a profit, and why tweets will no longer be your standard 140-character messages.

4. Apple Byte: Is a big-screen iPad coming in 2014?

New rumors point to the "MaxiPad" in March of next year, unofficial benchmarks for the new Mac Pro are out, and Apple is going to start making glass.

5. How to: Get the best price while shopping online

Finding a good deal online shouldn't take a Ph.D. Here are five simple ways to stretch your online dollar.

6. The Amazon Kindle Fire HDX 8.9 is a thinner HDX with a larger screen

The choice between the Fire HDX 7 and 8.9 will come down to personal preference. Do you want an excellent small tablet or an excellent large one?

7. XCAR: The Audi RS 6 is excessive in all the best ways

Audi's RS 'shop makes very, very fast cars. Cars designed to crush the Autobahn like a spider under a shoe. The RS 6 can hit 189 mph, so I think they've done it again...

8. Tech Minute: Apps for easier holiday travel

Getting to Grandma's house should be easier than going over the river and through the woods. Use your smartphone and a few handy apps to book the best deals and manage your trip. CNET's Kara Tsuboi has some useful recommendations in this Tech Minute.

9. Crave: DARPA wants to put an implant in your brain

DARPA has announced a $70 million project to put implants in human brains, we check out the greatest job resume ever, and buyers hate the gold iPhone 5S!

10. How to: Extend battery life on Android 4.4 KitKat

Reaching for the charger too often? Find out which new settings are draining your Android 4.4 phone's battery life.