That’s not very common either. I’ve never signed anything like that in 20 years in the industry (worked everywhere from tiny startups to very large tech companies).
In the case where your company does have a policy that that prohibits you from discussing the nature of your work, it’s likely completely unenforceable beyond them firing firing you.
The prohibition from teaching or blogging is definitely unenforceable.
In the case where your company does have a policy that that prohibits you from discussing the nature of your work, it’s likely completely unenforceable beyond them firing firing you.
The prohibition from teaching or blogging is definitely unenforceable.