Earning Points. Starwood's Preferred Guest program is fairly straightforward: the more nights you spend at participating hotels, the faster you'll earn a free night.
The mapper output (intermediate data) is stored on the Local file system (NOT HDFS) of each individual mapper nodes. This is typically a temporary directory location which can be setup in config by the hadoop administrator. The intermediate data is cleaned up after the Hadoop Job completes.
Re: Windows7 - Recording Using MS Sound Mapper. The Microsoft Sound Mapper is not a real input/output. All that it does is to set the default input/output for Windows. If you go into the Windows Sounds control panel, then whatever are set as the default input/output device will be the device(s) that are used when you select Sound Mapper.