Remember Twitter's blue checkmark? For a while, having one attached to your Twitter handle signified that you were notable or famous in some way. Twitter granted them sparingly. Then, as Twitter ...

In Windows Server, a child domain is a subdomain under a parent domain, inheriting policies and trust relationships. For example, if the parent domain is example.com, a child domain might be ...

Update: According to TechCrunch, it looks like Bluesky has fixed the problem documented in this article. Bluesky now apparently reserves your old bsky.social username if you change your account to a ...

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