单选题 In today's world, ads play a big role in shaping how we see things, what we want, and even what we decide to buy. Whether it is a big sign on the street or a TV commercial, we're always getting messages that try to convince us. Ads have become a normal part of our everyday lives, but it's important to see both the good things about them and the possible problems. One of the main benefits about ads is that they tell us about products and services. Companies use ads to reach a lot of people and share important info about what they're selling. For example, a good ad can tell possible customers about a new product or let them know about a sale that's only for a short time. These ads help businesses talk to customers and make sure people know about the choices they have. Furthermore, ads have the power to make us want things and affect how we shop. Well-made ads often use our feelings and dreams, making us think that having a certain product will make our lives better. By connecting products with good feelings, ads make us really want to have those products. This side of ads can be both good and bad. While it helps the economy and new ideas, it can also make us buy too much and care too much about stuff we do not actually need. But, it's important to look at ads carefully. Ads can lie, making products seem better than they really are or using tricks to convince us. As shoppers, we should know that ads try hard to persuade us to make purchase. It's necessary to check and think about products on our own to make smart choices. In recent times, more and more ads are online. With social media and digital marketing getting popular, companies are finding new ways to talk to the people they want to reach. Online ads can target specific groups, making sure ads go to the right people at the right time. But this also means that our personal info is often used for ads, which makes us worry about privacy and keeping our data safe. In summary, ads are a strong tool that shapes our society and affects our decisions. While they help share information about products and services, it's important to look at ads carefully. By knowing the ways ads try to persuade us and doing our own research, we can make smart choices and not let ads control us too much. In the end, finding a balance between being smart shoppers and thinking about how ads affect us is really important in today's world where consumers have a big role. What is one of the beneficial parts of ads mentioned in the article?