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2. ACLU (2003). Total information compliance: The TIA's burden under the Wyden amendment, a preemptive analysis of the government's proposed super surveillance program. American Civil Liberties Union (ACLU)., May 19.
3. Ahrens, F. (2006). Government, Internet firms in talks over browsing data. Washington Post. June 3, p D3
4. Interactive Home Shopping: Consumer, Retailer, and Manufacturer Incentives to Participate in Electronic Marketplaces
5. Albrecht, K. (2002). Supermarket cards: The tip of the retail surveillance iceberg. Denver University Law Review, 79(4, 15)., 534-554.