Actions are always louder than words. When popular bloggers test a product, brands gain access to a wider audience.
Clothing brand
Calvin Klein has released a series of videos with popular stars under the hashtag #MyCalvins. They talked about their secrets that no one knew about.
The publisher of computer games
EA also often uses popular Internet stars for promotion. For example, the American blogger Brent Rivera, published a parody video of him playing Apex Legends.
Guess, when new collections are released, conducts massive advertising campaigns, working with bloggers. They offer interesting images and talk about new products.