Originally Posted by BER Flyer

Well said but that seems mostly an US problem. Here in europe most ( if not all ) countries have much stricter privacy laws then the US. In Germany for example hell would freeze over when an airine would use my yearly total income figure ( when not submmitted by me of course ) for marketing purposes.
The much more interesting question if DL is selling your data to "interested" other parties as the most profit in these databases is made beselling customized data sets.