If Google is 'BigBrother', then YES - BigBrother watches You!

A recent discussion thread on WebmastersWorld has drawn some attention as another new feature from Google was suspected have appeared... or maybe it was just another test.

The thing is that a private pilot and a user on WebmasterWorld said
that he was currently working on his site for some time now and he
noted that some of the targeted ads from Google are too precise, i.e.
they were not even closely related to the theme of the site they
appeared on, yet they were highly relevant to the user, as what they
advertised was 'commercial pilot' or 'helicopter pilot' (a mere
coincidence?).