McDonald's is one of the largest and most well-known fast-food chains in the world. Over the years, the company has utilized a number of marketing strategies to attract customers and maintain its position as a leading player in the fast-food industry.

Some of the key marketing strategies used by McDonald's include:

1. Promotions and discounts: McDonald's frequently offers discounts and promotions on its menu items to attract customers and drive sales.

2. Menu innovations: The company regularly introduces new menu items, such as limited-time offers and seasonal items, to keep customers engaged and drive traffic to its restaurants.

3. Social media: McDonald's has a strong presence on social media platforms, such as Facebook, Twitter, and Instagram, which it uses to engage with customers, share promotions, and build its brand.

4. Advertising: McDonald's heavily invests in traditional advertising channels, such as television, radio, and print media, to reach a wide audience and reinforce its brand image.

5. Sponsorships and partnerships: McDonald's often partners with sports teams, musicians, and other organizations to reach new audiences and build brand awareness.

These are some of the key marketing strategies used by McDonald's to maintain its dominance in the fast-food industry and reach its target audience.