Read up on cold reading and you'll find that it explains much of astrology, psychics, fortune tellers and others. Once you know the techniques you'll be able to

Read up on cold reading and you'll find that it explains much of astrology, psychics, fortune tellers and others. Once you know the techniques you'll be able to recognise them pretty easily and you won't look at horoscopes the same way again (that is, if you ever believed them to begin with)