One of my pet hates is abbreviations. This coming from a man who spent a dozen years in the military, but there's a fair reason why I'm anti the use of abbreviations in general, they're usage perpetuates a divide; you either know what they mean and can use them or you don't. If you get a briefing that the NSA doesn't know about the TEC plans to RTB in DQT that's fine if you know what all the