昨晚上看到这个就觉得amazon要出事，太困了没贴上来。加上pricing这事，我预计
amazon在未来几天会继续跌。
Apple's creation of a third choice is likely to further frustrate and
confuse consumers if they accumulate e-books for one device, then try to go
back to read them later on a different one. The effect could be akin to
having to buy a new set of CDs every time you get a new stereo system. It
could also keep people from buying new e-readers as better models come out
if they aren't compatible with the books they already have.
This could c
