You position is very naive. The general public is less trusting because they have a collective memory of how the world works. People object to the collection a

You position is very naive. The general public is less trusting because they have a collective memory of how the world works. People object to the collection and storage of the data in-and-of-itself. Most people understand that these companies will not sell their competitive edge under current market conditions - but market conditions change and companies change. The privacy policies are subject to change. Radioshack will give you a clue as to what might happen if one of these companies goes bust. Another point to consider is that so called anonymized datasets have been de-anonymized repeatedly.