Sure, if you really are a fan of a company and are willing to sacrifice pay to learn and do what you love, then do it. But you must realize that companies make

Sure, if you really are a fan of a company and are willing to sacrifice pay to learn and do what you love, then do it. But you must realize that companies make a lot of money; the software engineering industry has some of the highest profit margins. If they have money, I would expect them to pay interns. If it was an early stage startup, I wouldn't.