. >> reporter: jack gillis is with the consumer federation of america. >> but there is not a lot consumers can do in this situation. and that's why it's the wild west. you really don't have much protection against the company that doesn't like your review. >> reporter: gillis says keep two things in mind. number one always post on an anonymous basis. and number two, be ready to go to bat for your posting, whether it's a review about a hotel, auto service, or the hamburger you had for lunch, are you willing to go to court over it? >> for the most part, you are protected by freedom of speech. however that does not necessarily stop a disgruntled and particularly wealthy company from coming after you. >> reporter: and for many people like carol the sheer thought of being sued is enough to make her sick. >> i did not want to deal with any repercussions of a negative review. >> reporter: and when you're the one reading reviews the csa says take them with a grain of salt. too good and they could be planted by the company. too bad could signal someone with an ax to grind. erika gonzalez, news4.ty