Yammer is a private, social networking space for office 365. It can be used for members of an organisation to get updated on certain jobs, start threaded conversations and search for information across the board. Essentially, it could be seen as a tool that will reduce your work emails.Yammer can be accessed from the Office 365 app launcher and the user interface is much like other social networks, such as Facebook. In fact, it is often referred to as ‘Facebook for Business’.You can create groups based on teams, projects or topics of interest that can be easily navigated and can be made public or private. Conversations within these groups are then threaded so you won’t get lost in the conversation – preserving the context.