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Google might breathe new life into old Chromebooks with ChromeOS Flex
(www.techradar.com)
This is a most excellent place for technology news and articles.
The advantage seems to be that you would not need to reflash the bios. For some models getting to the screw is not as easy and the cable needed to unlock other models is not being sold anymore.
I could see that being a huge benefit. It became a matter of principle for me when it came to getting that screw off in the end. 😬
That said, they could just not put that screw in there that prevents people from doing what they want with their equipment.