Tech companies claim that so-called "personalised ads" - a big source of revenue for firms like Google or Facebook - can provide the best online experience for users.
But this type of 'experience' has increasingly become a source of concern for policymakers - mainly because targeted ads tend to rely on large amounts of personal data and invasive surveillance practices, of which the user is rarely aware.
The internet has drastically changed the advertising industry. What used to b...
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Elena is EUobserver's editor-in-chief. She is from Spain and has studied journalism and new media in Spanish and Belgian universities. Previously she worked on European affairs at VoteWatch Europe and the Spanish news agency EFE.