Higher bitrates generally create better-sounding but larger files. The most common bitrate for MP3 files is 128kps. Many Web sites allow you to save a username and password on a cookie to make future visits more convenient. In addition, cookies can help webmasters keep track of user trends. The use of cookies is an industry standard and they are presently used on most major Web sites.
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For example, the My Lycos personal start page offers many useful features that are made possible by cookies. This CD database is an online repository of audio CD information. CD players and rippers can access the CDDB to automatically get title and track info when you load an audio CD into your computer's CD-ROM drive. Liquid Audio - A proprietary music format that combines downloadable music with streaming audio, as well as access to artwork, liner notes. Many of these are pay files.