Agreed, but additionally to "one-time revenue" versus "ongoing annuity stream": a) Acceptance, Image The fact that they don't sell is the reason why many don'

Agreed, but additionally to "one-time revenue" versus "ongoing annuity stream": a) Acceptance, Image The fact that they don't sell is the reason why many don't mind it as much. "So their automatic algorithms look for some key words in my mail and searches to target ads, I get better ads, they get money for clicks, what's the problem?" Selling it would be a whole different story b) Once you sold out, what then? I guess that selling to thousands of companies you loose control over your information. x-many Companies have lists of high net worth investors for product category y from us, how to guarantee this information does not get out? Will be given to other companies/people? Will it be correctly used? How can we guarantee those x-many companies are storing that information securely? I can think of all kinds of issues with that business model.