It's simple, Data is only as valuable as, and as long as - the data has integrity and is representative of a real-world application.
- Want out? Change your info. Contaminate the data. Pollute the archives with near-accurate but fictional info. Change it often, anonymizing and obfuscating the truth.
Change your zipcode. Change your e-mail address to a throwaway Yahoo! or Hotmail edress.
Change your age to 11.
Let them datamine.
Privacy is a fading Illusion,
but Heisenberg was right.
Oh - and never forget to read the Fine Print BEFORE you sign up.