Sam Hardy,
I apologized if YOU thought I was shouting. All caps does not mean shouting. Now if the entire phrase was in caps, I can see why you would have thought I was shouting. When an individual word is in caps, tt simply is used when one emphasizes a point. At the corporate headquarters where I work, there was recently a company-wide email sent in response to one of the director level employees sending an email where they had typed all caps in one of their sentences. The complaint was that certain employees who were ignorant in communications etiquette felt that they were being shouted at because of the all-caps sentence. An email on etiquette in communications was sent illustrating widely accepted means of emphasizing points. All-caps was one of those methods.
Taken from Wiki:
http://en.wikipedia.org/wiki/All_caps
All caps is usually used for emphasis. It is commonly seen in the titles on book covers, advertising, billboards, and in dramatic newspaper headlines. Short strings of words in all caps appear bolder and "louder" than mixed case. All caps is also used to indicate that a given word is an acronym.
Also, about your comment on my exclamation
point. You can call it an exclamation mark if you wish. However both means are widely accepted and valid.
Taken from Dictionary.com:
exclamation point
–noun 1. the sign (!) used in writing after an exclamation.
2. this mark sometimes used in writing two or more times in succession to indicate intensity of emotion, loudness, etc.: Long live the Queen!!
3. this mark sometimes used without accompanying words in writing direct discourse to indicate a speaker's dumbfounded astonishment: “His wife just gave birth to quintuplets.” (!)
Also called exclamation mark.
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Origin:
1860–65