In the US, my sense is that letters of recommendation are pretty rare (at least past school admissions where they're pretty worthless). Oh, there's a ton of inf

In the US, my sense is that letters of recommendation are pretty rare (at least past school admissions where they're pretty worthless). Oh, there's a ton of informal networking but very little official you should hire this person (or especially) run away now. I'd never do the latter. Companies at least used to ask for references on resumes in the US but I'm not sure how common that is at this point and it was usually co-workers/clients/etc, and not sure how often it was even checked.