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You don't need a teardown to notice that Chromecast's model number is H2G2-42. From iFixit:

"Wasn't 42 the answer to life, the universe, and everything in The Hitchhiker's Guide to the Galaxy? And H2G2 is an abbreviation given to the book, as well as the name of a website dedicated to making a guide to life, the universe, and everything."




If you check YouTube.com's source code, you'll find some references to "hitchhiker".


One of YouTube's sprites has "hitchhiker" in the filename.

AirPlay is one of the greatest iOS features. It lets you wirelessly stream music, videos, send photos and even mirror your device's display on your TV. It's simple to use, it's supported by many apps and devices, but the most important thing is that it just works. Sure, you'll need to buy an Apple TV or an Airport Express and AirPlay is mostly limited to Apple devices and accessories that license AirPlay from Apple. AirPlay works because it's a native feature, has a consistent interface and it's very easy to understand.

Android OEMs tried to solve the problem of sending content to a TV by adding HDMI ports, supporting MHL and adding software for DLNA. It's obvious that people don't like cables and a mobile device shouldn't be restricted by a cable. DLNA has a lot of compatibility issues and doesn't work well for streaming online content. Last year, HTC and Samsung added an AirPlay-like feature to their flagship phones and started to sell companion devices. The issue was that the features were limited to a few apps. This should've been an Android feature, not two different APIs limited to a few HTC and Samsung devices.

Google started to address this issue when it added support for watching YouTube videos on a TV using the mobile YouTube apps. Pair your mobile phone with your TV and you can easily send the video you're currently watching to the TV. You can also your phone as a remote control and pause the video, change the volume or switch to a different video.

YouTube's "send to TV" is the backbone of Google Cast, a feature that can finally compete with AirPlay. Developers can use "the Google Cast SDK to enable mobile and web apps to cast content to the TV". Google Cast is not limited to Android, it works on Google's favorite platforms: Android, iOS and Chrome. There are already a few apps that support Google Cast: YouTube, Google Play Music, Google Play Movies & TV, Netflix. To use this feature, you need to buy Chromecast, a very cheap device that connects to your TV's HDMI port and runs a simplified version of Chrome OS Google TV. It only costs $35 and it's a lot smaller than an Apple TV. You can buy it from Google Play, Amazon and Best Buy, but only if you're in the US.


Google Cast is only the cloud version of AirPlay: it only works with content that's stored online, so you can't send a song that's stored on your tablet or a video you've just recorded. Just like for AirPlay, the mobile device controls what's playing on your TV, but the content is streamed directly to the Chromecast. There are a few differences: Google Cast works on Android, iOS and Chrome and the Chromecast functionality will be integrated in other devices, including Google TV devices. Another difference is that any mobile device from the same network can control an existing Google Cast stream, so you can have multiple remotes.

Here's the Google Cast icon: it's not displayed when there's no device available.


"While content is playing on TV, a user can multitask on their device. For example, a user can search for a video on their phone's YouTube application and then send it to their TV via a Google Cast device. They are able to play, pause, seek, and control volume using their phone and still be able to check their email while the content keeps playing on the TV," according to the developer documentation.


There's also support for mirroring. "In addition to apps like Netflix, you can use Chromecast to bring a broad range of content available on the web to your big screen, thanks to a new feature in the Chrome browser that allows you to project any browser tab to your TV. From sharing your family photos to enjoying a video clip from your favorite news site, it's as simple as pressing a button. This feature is launching in beta, but we're excited for people to try it out and give us their feedback," explains Google.

Here's a video that shows this feature in action:


To use Google Cast, you first need a Chromecast. It's a low-cost device that connects to one of your TV's HDMI ports and uses USB for power. For only $35, you get a lot: the Chromecast dongle (only 34 grams), a USB cable and power adapter and an HDMI extender. To setup the device, you need to visit google.com/chromecast/setup and install an app. It's interesting to notice that Chromecast only supports 2.4GHz WiFi networks and the only Chromebook you can use to setup Chromecast is Chromebook Pixel.

To cast from your computer, you need to install the Google Cast extension for Chrome. There are only 2 Cast-optimized sites: YouTube and Netflix. For all the other sites, you can cast a tab and mirror it on your TV. Unfortunately, casting a tab requires a powerful computer even for standard streaming: at least a Core i3 PC, a Macbook Pro 2010, a Macbook Air 2011 or a Chromebook Pixel. You need a Core i5 PC, a Macbook Pro 2011, a Macbook Air 2012 or a Chromebook Pixel for high-quality streaming. Casting a tab is limited to 720p streaming, so you won't get 1080p mirroring.


For Android devices, you can use a few apps: YouTube, Google Play Music, Google Play Movies & TV and Netflix. "To cast to your TV from your smartphone, tablet or laptop, simply open up a Cast supported app, press the the Cast button and the Cast button will turn blue, letting you know you're connected. Once you are connected, you can Cast videos, movies and TV shows directly to your TV," explains Google. For now, the only iOS apps that support Google Cast are Netflix and YouTube.



I haven't tried Google Cast, so I don't know how well it performs, but these are the early days. Once more apps add support for Google Cast and more devices include Chromecast's functionality, it will be a lot more useful. Chromecast is a Chrome device, so it will constantly improve and add new features.

Google works on creating a Native Client app for Quickoffice, a software acquired last year. There's an Office Viewer extension for Chrome, which is bundled with Chrome OS.

Now Google experiments with adding editing features to the Office Viewer. If you have a Chromebook, you've switched to the Dev Channel and have the latest Chrome OS version (29.0.1547.2), you can enable these features:

1. open a new tab

2. type this in the address bar: chrome://flags/ and then press Enter

3. use Ctrl+F to search for "document editing"

4. click "Enable" next to "Enable document editing"


5. click the "Restart Now" button to restart your computer and use the new flag.

The editor is pretty basic and it only works for Microsoft Word documents and Excel spreadsheets. For some reason, the document editor only saves documents in the Office 2007 format.




It's likely that editing will be a standard feature and it will also be available in the Chrome extension. Google will have to change its name to shows that it's more than a file viewer. It will be interesting to see how Quickoffice for Chrome integrates with Google Drive.

Chrome OS supports a lot of file formats without relying on Google Drive. You can open and edit photos (BMP, PNG, GIF, JPEG, WEBP), you can play videos (3GP, AVI, MOV, MP4, WEBM, OGV), play music (MP3, M4A, OGG, WAV), create ZIP archives, extract files from archives (ZIP, RAR, TAR), open PDF files, text files and Microsoft Office documents (DOC, DOCX, XLS, XLSX, PPT, PPTX). Offline and natively.

{ via François Beaufort }

A few months ago, François Beaufort posted some screenshots of a Native Client Chrome app for Google+ Photos. The app is now available, but Google says it's only for the Chromebook Pixel, which is not exactly true.


"When you plug an SD card into your Pixel, the app will back up your new photos to Google+ automatically. (For your eyes only, of course.) And when you're offline, you can still view your most recent photos. The Pixel's high resolution display makes your photos look their best, and browsing via touchscreen is a lot of fun. You can share individual photos, set of photos, or an entire album in just a few seconds. Simply select the images you want, then click 'Share.'"


It's a pretty useful app for Chromebooks and it's not limited to the Pixel. In fact, I don't see why it couldn't work on any desktop computer that runs Chrome. It could even replace Picasa at some point.


You can download the app from the Chrome Web Store. Google engineers "are working to bring the app to other Chromebooks as well", even though the app works on other Chromebooks. The Office Viewer powered by the Google-acquired Quickoffice used to be limited to the Chromebook Pixel and it's now available as a Chrome extension.

Update: I've tried to install the app in Chrome for Windows and it worked:


... but then I got this message:


Then I switched to my Samsung Chromebook Series 5, installed the app and it worked well.




Even the SD card import worked:



So the app should work on any Chromebook. Maybe it's only optimized for the Pixel, maybe there are some bugs that need to be fixed. All I know is that the app worked well on my Chromebook and I don't have a Chromebook Pixel.

Wired publishes an interview with Sundar Pichai, Google's Senior Vice President for Chrome, Apps and now Android. Back in March, Larry Page announced that "Andy [Rubin] decided it's time to hand over the reins and start a new chapter at Google". Now Sundar Pichai is in charge of Android and many people wondered if Android and Chrome OS will merge.

"Android and Chrome are both large, open platforms, growing very fast. I think that they will play a strong role, not merely exist. I see this as part of friendly innovation and choice for both users and developers. (...) So in the short run, nothing changes. In the long run, computing itself will dictate the changes. We're living through a pivotal moment. It's a world of multiple screens, smart displays, with tons of low-cost computing, with big sensors built into devices. At Google we ask how to bring together something seamless and beautiful and intuitive across all these screens. The picture may look different a year or two from from now, but in the short term, we have Android and we have Chrome, and we are not changing course," Sundar says.

He compares Android and Chrome OS with iOS and Mac OSX, which are different, but have a lot of things in common. "We want to do the right things at each stage, for users and developers. We are trying to find commonalities. On the browser layer, we share a lot of stuff. We will increasingly do more things like that. And maybe there's a more synergistic answer down the line."

That explains features like Cloud Messaging for Chrome, launched one year after Cloud Messaging for Android. Chrome also experimented with intents, but this feature is no longer supported.

It's interesting to note that Sundar's biggest Android challenge is to "improve the whole world's end-user experience without changing the open nature of Android". That's difficult to do, considering that most Android devices run old Android versions and some are rarely updated, not to mention that the most popular Android devices run custom operating systems based on Android, with custom interfaces, frameworks and different built-in apps.

For now, both Android and Chrome OS will continue to exist. Chrome's new packaged apps will also be available on mobile devices and it will be interesting to see if they look like native apps. Android tries to fight fragmentation by introducing new APIs using Google Play Services. For now, native apps make more sense on a mobile device than on a desktop computer, but this could change. Chrome OS could follow Firefox OS and run on smartphones and tablets.

Whether your laptop runs Windows, Android or Chrome OS, whether your phone or tablet runs Android, iOS, Chrome OS or Firefox OS, Google's goal is to "bring together something seamless and beautiful and intuitive across all these screens". I call it Google Operating System and it's not Android or Chrome OS.