Forex robot/expert adviser scam ?

My friend warned me on the possibility of some Forex robot/expert adviser scam in the market. It made me feel nervous and went to google search. Here are some of the results.Results 1 - 10 of about 719,000 for forex maestro scam. (0.28 seconds)Results 1 - 10 of about 1,110,000 for forex transporter scam. (0.26 seconds)Results 1 - 10 of about 18,500 for forex knight rider scam. (0.10