I have been thinking about this a lot lately. People that use the word "actually" appear to mostly be full of shit. It is my experience that when people use the word "actually", they are either trying to emphasize a point, or they are just lying. It is my belief that damn near every instance of the word in people's speech could simply be removed and the meaning of their dialogue would remain the same. For example..

"I read in the paper about a service where people actually break into your house to show the vulnerabilities in your security system"

"We won't actually arrive until two hours later"

"Our product will actually test your environment, and locate system bottlenecks"

"Twenty-Five Gadgets That Actually Save Money"

In just about every instance of someone using the word "actually", the word could be removed and not change the meaning in any way, shape, or form.

Can anyone think of a reason that you would need to include this word in your speech? I suppose ultimately that it is simply an adverb which is used to emphasize a statement, but my findings conclude that when I hear this word, it is usually because someone is trying to blow smoke up your ass.

Keep this in mind when you venture out into the world, and when you hear the word, think about why the person said it, and whether or not they really needed it. I think you will be shocked at the results of your study.