What are those mylot quizzes

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Can somebody explain to me please what are those mylot quizzes are for? I checked it and participate on a love and IQ quiz, it says also there that I need to write my cell number for me to know the result (the result will be sent to my cell phone) but did not receive any. The quizzes are like never ending. I did not finish the entire set. Are we paid to do those also?