Microsoft will give Yammer to all Office 365 users

Microsoft stepped up efforts to expand the reach of its Yammer work social network -- and better compete with other workplace collaboration tools -- announcing Tuesday that any organization with an Office 365 subscription will gain access to the service and have it automatically activated.The service will start rolling out to users in waves. The automatic activation will allow businesses to quickly spin up online communities for their workers.Microsoft will also let people sign in to Yammer with