You’ve obviously gotten the base level answer, but to add some color here - certain types of food, such as dried pasta, rice, beans, grains, high proof alcohol, vinegars, and basically anything frozen to name a few, never spoil in the sense that they’re unsafe to eat.

Flavor, however, is an entirely different matter. Just ask anyone who has eaten freezer burnt food.

Pretty much any high proof alcohol will fall into this category. And, if it’s unopened, it should retain most of its flavor for a very long time. Once opened, however, it can deteriorate relatively quickly, depending on how it was stored.

Since the 70s. It was in an act signed by Nixon.

As an interviewer, I think that certs are only useful if you take the test with a different company than you studied with. So I don’t think I’d care if you have a coursera cert, because I’d assume it just meant you finished the course that you paid for.

It’s worth noting that some coursera courses are created and maintained by actually accredited institutions, and some courses qualify as college credit with ACE accreditation. Also, many tech certifications host their courses on coursera too, like microsoft has official azure cert courses on there.

That doesn’t necessarily mean anything for any given random cert, though, because that means that the entire site is a pretty big grab bag in terms of the usefulness of their certs.