China currently fixes its exchange rate to the US dollar (when the value of the dollar goes up, the value of the yuan goes up, and when the value of the dollar goes down, the value of the yuan goes down). Who do you think benefits from this linkage and who loses, and why?

http://www.google.com/wallet/vision.html

Google is launching an electronic wallet as part of its desire to become an even more important part of people's lives. Do you think this will replace other forms of money? Why or why not? What would likely be the key considerations influencing whether the market will adopt this new concept?