TLAs

Many of us in the trade cognoscenti toss about acronyms with abandon.  It can be deeply frustrating to students and others.  But here comes a web-based solution:  http://www.acronymfinder.com/.  Give it a try.  My first try was SPS--not very successful.  TBT did a lot better.  Oh, and a "TLA"?  That's a "three-letter acronym."