WhatsApp, a popular messaging app owned by Facebook (now Meta Platforms, Inc.), has not traditionally run extensive advertising campaigns or marketing initiatives. WhatsApp has primarily grown through word-of-mouth, organic adoption, and its reputation for secure and private messaging.

However, WhatsApp has occasionally run small-scale marketing campaigns, especially during significant milestones or product launches. These campaigns tend to focus on themes like connection, communication, and privacy. The messaging typically emphasizes the app's ability to help people connect with friends and family in a private and secure manner.

For instance, WhatsApp has used taglines like "Simple. Reliable. Secure." to convey its commitment to providing a straightforward, trustworthy, and secure messaging experience. These campaigns often highlight the following key aspects:

1. Privacy: WhatsApp has positioned itself as a platform where users can communicate with confidence, knowing that their messages and calls are end-to-end encrypted and not accessible to third parties.

2. Ease of Use: The campaigns emphasize the app's user-friendly interface and straightforward features, making it easy for people of all ages to connect with loved ones.

3. Global Connectivity: WhatsApp's global user base allows people to stay in touch with friends and family members across different countries and time zones.

4. Multimedia Sharing: WhatsApp enables users to share text messages, photos, videos, voice messages, and more, making it a versatile platform for communication.

5. Group Chats: The app's group chat feature is often highlighted, as it allows users to create groups for family members, friends, or colleagues to stay connected in a single conversation.

It's important to note that WhatsApp has also faced privacy controversies and debates over its data-sharing practices with its parent company, Facebook (now Meta Platforms, Inc.), which has influenced public perceptions and discussions about the app.