Take a look at Statistics::Basic; but be aware that you pick up a lot of stuff you don't need to get the simple bits you want.
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
In the absence of evidence, opinion is indistinguishable from prejudice.