In online advertising, the following tactics are often used to exaggerate product effects and mislead consumers: 1. **False statements**: Claiming that a product has unproven or non-existent effects, such as weight loss products that can significantly reduce weight in a short period of time. 2. **Exaggerated data**: Using false statistics or research results to support product effects. 3. **Misleading photos**: Using retouched or irrelevant "before and after" photos to exaggerate product effects. 4. **Celebrity or fake expert endorsements**: Using celebrity or fake expert recommendations to enhance product credibility. 5. **Vague legal disclaimers**: Hiding actual effects in unclear or difficult to understand disclaimers, such as "results may vary" in small print at the bottom of the ad page. 6. **Creating a sense of urgency**: Claiming that a product is in limited supply or that prices are about to rise in order to prompt consumers to make quick purchasing decisions. 7. **Misleading advertising language**: Using vague and ambiguous language to mislead consumers about product effects, such as "helps lose weight" and "promotes health." 8. **Fictitious user reviews or comments**: Using fake user reviews to create the illusion that a product is popular. These practices are illegal and pose a threat to consumer rights. Consumers should be vigilant and verify the authenticity of product information. Some countries and regions may have relevant regulatory agencies responsible for dealing with such improper advertising practices.