Yammer is a private social network which helps you and your teams communicate and stay on top of it all. It allows you to bring your teams together in one place so you can have conversations, collaborate on files and organise projects. Signing up is easy. Go to https://about.yammer.com/ and enter your work email address and fill in your details. Download the app so you can stay in touch and collaborate with your teammates wherever you are. Try it and see for yourself!