content: I've had many problems with Sony computer items before, but I thought I'd give this one a try. After being on the phone with Sony (who didn't even know what the emarker was) for over four hours, I still can't the thing to work. There's some problem with the program you download from emarker.com. The program has problems loading the emarker USB drive into your computer. Thus, you can't use it at all. If I were you, I'd wait till they develop this product further and work out all the problems. Sony told me they would pass my problem on to the Research and Development team, who would try to get back to me as soon as they can (I hope this team knows what the product is!)As for me, I plan on returning my emarker today.