I don't think that is relevant, not in this day and age. Yeah.....maybe back in 2011 or something. Now? Now if you enter poal for instance,and don't take a crapton of security measures,pretty much anyone who wants to know will know. Your name,your ip,your address, your phone number,your picture. All it takes is for 1 of them to know something about you, they can then correlate the data,mine for it.

You don't need to have a facebook account to have a virtual facebook account. Know what you have to do? Appear in a couple of pictures that your friends post on facebook.

If you ever entered your birthday these systems there really is no hope for you.

Ms. Dumbass gets accounts to "participate and be involved" She knows she entered personal information because she fills out that kind of information to get credit cards, so it's OK to do that. As she gets more involved in posting, she gets more accustomed to posting things that won't offend the corporation holding her information. i's only in hte back of her mind somewhere, so she can't explain her total submission to the corporate hole, and why she wiped out her own personality .

It's out of date dude, the whole thing should be covered by all those companies and more

The true value of these snippets is correlations between them - your behavior traits, and combination of factors that may reveal a particular activity.

Furthermore, dynamic of changes for both trends above, gives away evolution of your personal development - creating a fairly well identifiable (and traceable) portrait of you.

Through nothing else than these simple fingerprints you leave all over the internet, you want it or not.