Do you use CAPS LOCK key when typing the capital letters?

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No I didn't spill my coffee on the keyboard but I was starring at it when this question popped into my mind. We all use capital letters at one time or another when we type. At the least, we capitalize the first letter of each sentence. So pray share, when you type capital letters, do you (1) press the caps lock, type the capitals, then toggle it off or (2) hold down shift when typing, then release or (3)... ? For me, I almost always (like 99.9999% of the time) use the shift key instead of the caps lock - even if the word is as long as say HUMONGOUS. It is strange when you think about this because if you analyze it, using the caps lock saves time and effort. After all, that is why the key is on the keyboard in the first place! But yet... well, perhaps it is just another of my idiosyncrasies. So what about you? Do you use the CAPS LOCK when typing capital letters? Or do you use the SHIFT key? Or... ? Do share your habits. =)