Known Abbrevations, Unknown Expansions..

Well, the title is Known Abbrevations, Unknown Expansions..

We are aware of many abbrevations.
But we are not aware of its Expansions.

Today I was  surfing Wikipedia.

I found Some Well known Abbrevations and unknown Expansions..
A many thanks to wikipedia :).

SUN Microsystems - (SUN is the acronym for the Stanford University Network),
INTEL -  Integrated Electronics
AMD - Advanced Micro Devices
AAC - Advanced Audio Coding 
CA Technologies - Computer Associates
HP - Hewlett-Packard
EMC2 - The company's logo also incorporates exponent 2, a reference to Albert Einstein's mass–energy equivalence theory.
IBM - International Business Machines 
NASDAQ- National Association of Securities Dealers Automated Quotations
yahoo - Yet Another Hierarchical Officious Oracle
ATA- Advanced Technology Attachment 
         Ref: http://www.webopedia.com/TERM/A/ATA.html
SATA- Serial ATA
          Ref: http://www.webopedia.com/TERM/S/Serial_ATA.html
IDE - (Integrated Drive Electronics)
          Ref: http://mindprod.com/bgloss/ide.html  
CHM = Compiled H T M L Help
          Ref: http://stackoverflow.com/questions/692428/how-to-convert-chm-to-pdf

• XML - Extensible Markup Language (XML)
• JSON - JavaScript Object Notation
• SOAP  - Simple Object Access Protocol 
• RSS- Really Simple Syndication