Final answer:
The Bandwagon fallacy is an example of faulty logic where popularity is used as the only argument to convince someone to do something, as seen in ads promoting products by their popularity alone.
Step-by-step explanation:
An example of a logical fallacy encountered in real life is the Bandwagon fallacy, which I saw recently used in an advertisement. This fallacy argues that one should do something simply because everyone else is doing it. For instance, an ad suggesting "Everyone is buying these sneakers; get yours now before you're left out." represents this fallacy because it uses the popularity of the sneakers as the sole argument for buying them, without providing any substantial reason why one should purchase the product.
Logical fallacies can undermine rational thinking and are often used in marketing and political propaganda. Identifying these fallacies is crucial for critical thinking and can help prevent being swayed by faulty reasoning.