Status-Q

Here's something it would be fascinating to know, but I can't think of any way of coming up with even a wild estimate. Can you?

• How much data does the average user create, themselves? (Documents, photos, emails, social network posts, etc)
• How much data is generated about the average user? (Web logs, surveillance,marketing data, medical records, credit ratings, utility bills...)

and what's the ratio of the two?

Or, more briefly, what' s the ratio of data created by you, to data created about you?

Of data created intentionally and knowingly, to that created unknowingly as a side-effect of living in the modern connected world?

And does it vary significantly, in the developed world, by country, and by demographics...?

Any ideas? (Conspiracy theorists need not apply!)

This very carefully-constructed artistic piece is entitled:
Going into the middle of the street to photograph the Christmas lights on the promenade and then having to jump out of the way of an approaching car while on a longer-than-expected exposure.

Snappy, eh? (Click for a larger version)