Is my internship worthless?

I accepted an internship about 2 months ago at a very large tech company. The internship has nothing to do with my major (which is data science), and even in the interview process my boss effectively said “this isn’t a real job, but it’s a stepping stone”.

I was very excited for the opportunity to work for this company because I knew it would look great on a resume. But, I’m 32 years old (started college later than most) and …

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