What Does USB Stand For? Common Acronyms Decoded

You ever wonder what all of those letters we use to define certain things (usually technological gizmos, government agencies, and fried chicken chains that want to downplay the "fried" aspect of their menu) actually mean? I was shopping earlier today and realized that I had no idea what USB stood for. I was pretty sure the U was for "universal," but was lost after that first letter. Then I started thinking about other acronyms that I wasn't sure about, and decided to start researching. How many of these did you know? 

USB - Universal Serial Bus

LAN - Local Area Network

HTML - Hypertext Markup Language

HDMI - High Definition Multimedia Interface

GIF - Graphic Interchange Format

PNG - Portable Network Graphics

MRI - Magnetic Resonance Imaging

AM/FM - Amplitude Modulation and Frequency Modulation (don't worry, most of us at the radio station have no idea what that means, either).

MP3 - MPEG 1 or MPEG 2 - Audio Layer 3 (MPEG stands for Moving Picture Experts Group, the group that developed the format).

PSA - Public Service Announcement

LLC - Limited Liability Company

FAA - Federal Aviation Admininstration

DOJ - Department of Justice

NCIS - Naval Criminal Investigative Service

CSI - Crime Scene Investigation (this is an easy one; it's right there on the show logo)

ESPN - Entertainment and Sports Programming Network

AC/DC - Alternating Current and Direct Current (also an Australian rock band, but we're pretty sure the currents came first)

FIFA - Fédération Internationale de Football Association (soccer)

RISP - Runners in Scoring Position (baseball)

BP - British Petroleum

WD 40 - Didn't know this was short for anything, did you? It stands for Water Displacement 40th Formula.

AARP - American Association of Retired Persons

VCR - Videocassette Recorder

VHS - Video Home System

CD - Compact Disc

DVD - Digital Versatile Disc (sometimes Digital Video Disc)