Amazon Sues Over Fake Reviews

The online retailer has filed a lawsuit against more than 1,000 allegedly fake reviewers.
2:48 | 10/19/15

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Transcript for Amazon Sues Over Fake Reviews
We're back now with Amazon, taking action against some people writing reviews that help you make purchases. Rebecca Jarvis is here with the story. Reporter: Hi, Lara. Good morning to you. This is a serious problem all over the internet. Almost 1 out of everyreviews may be fake. And this morning, the world's largest retailer online is cracking down. Those online reviews. We rely on them to tell us where to stay, what bookses to read, which clothes to buy. Are real people really writing them? This morning, Amazon suing more than 1,000 allegedly fake reviewers, offering their services on the the online marketplace For posting ads like this one, promising an awesome five-star review for just five bucks. Satisfaction guaranteed. If people notice there's not fake-seeming reviews, they won't trust Amazon. Reporter: Look how easy they are to find. I go on fiverr. Type in Amazon reviews. Just like that, dozens of people offering to write a review for five bucks. In the complaint filed last week, Amazon calls the fake reviewers' actions unfair and deceptive. Adding they knew that am don't policies prohibited both paid and fictional reviews. We actively remove services that violate or terms of use. And respond promplly. I will write a positive review. Reporter: I spoke to 17-year-old Casey two years ago who said she wrote hundreds of flowing reviews for four bucks a pop. She's not advertising on fiverr and not part of the lawsuit. I feel like these people are going the pay somebody to write a review any way. It might as well just be me. Reporter: Have you ever renovated a bathroom? No. I'm 17. Amazon's effects will result in fewer fake reviews. It's clear they're getting serious about stopping the problem. Reporter: How do you spot a fake? If something sounds fishy, copy and paste a phrase from the review and often fake reviewers are using one review everywhere, just making small weeks to. You can tell. That's a great idea. All right. I want to know. Any dead give aways to whether or not a review is fake. If you're looking at it, look for corporate speak. A brand name. Specific model number. A discount code or a link to place to purchase, that often means it's not real. It's paid for because they have an incentive to push you in the right direction. Makes sense the. Really important. Thank you so much. And coming up on "Good

This transcript has been automatically generated and may not be 100% accurate.

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