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Microsoft 365 Copilot adoption is under 4.5% after 3 years, only 1% use it weekly, yet prices went up
(www.windowslatest.com)
This is a most excellent place for technology news and articles.
Before Windows 10 monthly patches were not cumulative. So, there were times when you would reinstall your OS and have to install hundreds of patches. It was a huge nightmare especially when some patches were dependent on others. For example, if you missed a servicing stack update, you would not get security patches. To help with this M$ would release "service packs" ever few years. These were a cumulative bundle of the security and stability patches, and sometime would have new features. For example, PowerShell was originally shipped as part of service packs. But basically they were a way to save you a few hours when doing reinstall.