What digital companies make money?

What digital companies are actually making money? It's a subject that many seem to dodge, but paidcontent.org has come up with its list of the 50 most profitable digital companies. Names at the top are no surprises -- Google, Yahoo, Apple, Microsoft and Netflix -- but the list contains some surprises, not only some companies you've never thought of doing well, but others doing not so well. It's worth a look.