Microsoft has been tempting to value investors for the better part of five years. Despite smartphones becoming a greater and greater threat to Mr. Softy, Microsoft still maintains an effective monopoly in the cash cow personal computer OS business. With its Windows 8 upgrade due out later this year, Microsoft certainly has an intriguing mix of cheap fundamentals and potential upside, which understandably has investors asking, “Is Microsoft undervalued?” One reader Tweeted, and our technology analyst weighed in about Microsoft’s possible upside.

A big part of Microsoft's success will hinge on how well it can execute with mobile. There are already other, better ways to play mobile, though. Take a look at the stock named in our free report "The Next Trillion-Dollar Revolution" that details a hidden component play inside mobile phones that also is a market leader in the exploding Chinese market. Inside the report, we not only describe why the mobile revolution will dwarf any other technology revolution seen before it, but we also name the company at the forefront of the trend. Hundreds of thousands have requested access to previous reports, and you can access this new report today by clicking here -- it's free.

This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.