
Web quizzes may be fun to take, but they're also a powerful tool for companies to collect your data and even your money - and often in ways you might not even notice.
The very nature of a typical online quiz requires you to divulge all sorts of details about yourself. Those tidbits of info are like nuggets of gold for advertisers seeking to connect to you.
Deciding to take an online quiz comes down to a question of trust: are you comfortable putting personal or financial information into the owner's hand? Even if you don't directly input data, it can be passed along. At Facebook, opening an application automatically grants its developer access to your profile.
Finally, bear in mind that the quizzes results may not mean much. Many tests for instance, are about as valid as my excuse for missing mahjong night at the clubhouse. Think about it.
Ref - PC World, Jr Raphael.
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