It would helpful if you could update your post to give the complete dataset for the linked image. I tried to extract the rest, but either I'm misreading the diagram labels or there is an anamoly?
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.