The Wall Street Journal ????????????????????? Tablet-eReader ??????????????????????????????? PSP ??? Sony ?????????????????????? iPad???????? The Wall Street Journal ??????????????????????????????? Tablet-eReader ?????????? Sony - Ericsson ??????????????????????????????????????????? PSP (Play Station Portable) ????????????????????????????????????????????????????? iPad ??? Apple ????????????????????????????????????????????????????????????????????????????????????????? Netbook, eReader, Tablet ??? Play Station Portable ?????? Sony ?????????????????????????????????????????????????????????????? ????????????????????? Sony ?????????????????????????????????????????????????? iTune ????????????? Qriocity (??????????? curiosity) ?????????????????????????????? ??? iTune ????????????????????????????????????????????? 2 ????????????????????????????????????????????????????????????????????????????????
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