First and foremost, and for us the most important, is how Microsoft will handle and use your encryption data. BitLocker drive encryption by default is backed up to OneDrive online, this is primarily to enable data recovery in certain situations. The previous description of how and when Microsoft would access those keys was pretty vague. However, they have updated the new statement to note that "Microsoft doesn't use your individual recovery keys for any purpose" making clear that while the keys may be stored on OneDrive, Microsoft will not use them and is not interested in decrypting your disk.
As for other changes they do address a few areas related to improvement of services, data collected for support and other things collected when using Cortana. For those changes I'd suggest reading Ed's full story as he covers it really well.
Gain Control of Windows 10 UpdatesThanks to a new feature in Windows 10 version 1511, you can now postpone or pause Windows 10 upgrades and updates, you don't need to be an expert to do so but you'll need a business edition of Windows 10.
Windows Update for Business (WUB) is essentially an overlay atop Windows Update. It is not a new service, nor a new product, but a new set of controls for managing the timing of how Windows Update delivers upgrades and updates to business editions of Windows 10.
Unfortunately for us Windows 10 Home users to use it you need Windows 10 Pro, Enterprise, or Education. The device also needs to be configured for the Current Branch for Business. Neither option is available for PCs running Windows 10 Home, where all updates are automatic. Using WUB, individuals and IT administrators can defer the two-to-three-times-a-year upgrades to devices on the "Current Branch for Business" (CBB), one of the three mainstream upgrade tracks and the one most Windows 10 enterprise machines will adopt.
Setting up WUB is a bit involved and unfortunately since it is relatively new there are few quick walkthroughs available. ZDnet does have a some of the details listed but the best option is likely going to be going through the documentation at TechNet.
Our thoughts on Windows 10
So far we've added Windows 10 to all of our devices including our Dell Intel 2in1, ASUS ROG Gaming laptop (which we just got) and all of our desktops (except one). Using Windows 10 on our Dell Venue Pro is a breeze thanks to the option of quickly changing between tablet and laptop mode. You can disconnect the keyboard and immediately be running in tablet mode for more fluid touchscreen support. One our older desktops machines we've noticed some minor improvements in speed and a slight performance boost.
In the end though we love the unified support structure. We have multiple users, all with their own accounts, that all sync across multiple devices. Additionally of our Windows 10 devices are deployed with the same basic setups so there isn't much need to hunt for files, folders or apps that you might have been using on other machine. It just makes life that much easier when swapping devices.
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