10 must-see videos of the week

Hidden secrets inside iOS 7, five reasons why we're disappointed in the iPhone 5S, and a high-tech doorbell.

Unless you've been living under a rock, you probably know that this week was all about Apple. Not only did the iPhone 5S and 5C go on sale, but iOS 7 was finally released to the masses. In this week's roundup we've included our comprehensive video reviews of the new handsets, as well as a full rundown of all the new features in the latest OS. And if you've already upgraded, Brian Tong offers up some of the best hidden secrets inside iOS 7 in a new episode of Apple Byte.

We realize many of you may not be Apple enthusiasts, so for your viewing pleasure we're also serving up a brand-new segment of CNET's Next Big Thing where we compare and contrast 4K and OLED TVs. Plus: XCAR takes the latest Porsche 911 for a spin, Rumor Has It thinks you might want to wait on buying the Galaxy Gear, and we check out a high-tech doorbell.

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