Yammer is a business-oriented social networking service designed to enhance internal communication and collaboration within organizations. It primarily serves businesses of all sizes, from small enterprises to large corporations, across various industries. Yammer operates in the enterprise social networking market, which focuses on improving workplace communication and productivity through digital platforms.

The core function of Yammer is to connect employees within an organization, allowing them to share updates, collaborate on projects, and engage in meaningful discussions. Users can create and join groups relevant to their work and interests, facilitating targeted communication and collaboration. The platform supports the sharing of documents, photos, and videos within conversations, ensuring that all relevant information is easily accessible and contextually organized.

Yammer's business model is subscription-based, generating revenue through its integration with Microsoft Office 365. Organizations typically purchase Office 365 licenses, which include access to Yammer as part of the suite of productivity tools. This integration not only drives Yammer's adoption but also enhances its functionality by allowing seamless collaboration with other Office 365 applications.

The platform is designed to be user-friendly, with mobile apps available for iOS and Android, ensuring that employees can stay connected and productive regardless of their location. Yammer emphasizes the importance of spontaneous conversations and quick answers, helping teams to make better decisions faster and avoid duplicating efforts.

In summary, Yammer is a powerful tool for fostering communication and collaboration within organizations, making it easier for employees to connect, share knowledge, and work together efficiently.

Keywords: enterprise social networking, internal communication, collaboration, productivity, Office 365 integration, business-oriented, subscription-based, mobile apps, document sharing, workplace connectivity.