Internet is filled with fake reviews. Here're ways to spot them

Overly enthusiastic or negative reviews are red flags; jargon that repeats a product's full name is another giveaway

The emergence of generative artificial intelligence tools that allow people to efficiently produce novel and detailed online reviews with almost no work has put merchants, service providers and consumers in uncharted territory, watchdog groups and researchers say. Phony reviews have long plagued many popular consumer websites, such as Amazon and Yelp. They are typically traded on private social media groups between fake review brokers and businesses willing to pay. Sometimes, such reviews are initiated by businesses that offer customers incentives such as gift cards for positive feedback.

But AI-infused text generation tools, popularized by OpenAI's ChatGPT, enable fraudsters to produce reviews faster and in greater volume, according to tech industry experts. The deceptive practice is illegal in the U.S.